Quick view Details MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box MSRP: Now: $120.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: 3352A Lenses, Acrylic MSRP: Now: $11.75 Choose Options Compare Quick view Details MiniScience | sku: MS001 Wooden Stand for Lens and Mirror MSRP: Now: $10.00 Add to Cart Compare SALE Quick view Details MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view Details MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view Details MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box MSRP: Now: $120.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: 3352A Lenses, Acrylic MSRP: Now: $11.75 Choose Options Compare Quick view Details MiniScience | sku: MS001 Wooden Stand for Lens and Mirror MSRP: Now: $10.00 Add to Cart Compare SALE Quick view Details MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view Details MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view Details MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: 3352A Lenses, Acrylic MSRP: Now: $11.75 Choose Options Compare Quick view Details MiniScience | sku: MS001 Wooden Stand for Lens and Mirror MSRP: Now: $10.00 Add to Cart Compare SALE Quick view Details MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view Details MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view Details MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: 3352A Lenses, Acrylic MSRP: Now: $11.75 Choose Options Compare Quick view Details MiniScience | sku: MS001 Wooden Stand for Lens and Mirror MSRP: Now: $10.00 Add to Cart Compare SALE Quick view Details MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view Details MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view Details MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D MSRP: Now: $28.00 Add to Cart Compare Quick view Details MiniScience | sku: 3352A Lenses, Acrylic MSRP: Now: $11.75 Choose Options Compare Quick view Details MiniScience | sku: MS001 Wooden Stand for Lens and Mirror MSRP: Now: $10.00 Add to Cart Compare SALE Quick view Details MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view Details MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view Details MiniScience | sku: 3352A Lenses, Acrylic MSRP: Now: $11.75 Choose Options Compare Quick view Details MiniScience | sku: MS001 Wooden Stand for Lens and Mirror MSRP: Now: $10.00 Add to Cart Compare SALE Quick view Details MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view Details MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view Details MiniScience | sku: MS001 Wooden Stand for Lens and Mirror MSRP: Now: $10.00 Add to Cart Compare SALE Quick view Details MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view Details MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
SALE Quick view Details MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter MSRP: Was: $3.50 Now: $2.50 Choose Options Compare
Quick view Details MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view Details MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view Details MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view Details MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view MiniScience | sku: RAYLENS5045PC14D Copy of Glass Cylindrical Lens, Plano-Convex 50x45mm, 14D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view MiniScience | sku: OPTSET Optics Experiment Set with Laser Ray Box Optical demonstration set is used to demonstrate, experiment and make observations of how lenses can diverge or converge light. This set includes a lase ray box with 3 different settings, power adapter, cylindrical concave lens, cylindrical convex lens,... MSRP: Now: $120.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view MiniScience | sku: RAYLENS5045CX136 Glass Cylindrical Lens, Bi-Convex 50 x 45 mm, Power: 7D A bi-convex cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view MiniScience | sku: RAYLENS5045PE130 Glass Cylindrical Lens, Plano-Concave 50 x 45 mm, Power: 7D A plano-concave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view MiniScience | sku: RAYLENS5045BC150 Glass Cylindrical Lens, Bi-Concave 50x45mm, Power: 7D A biconcave cylindrical lens, made of optically true glass with polished faces and ground edges. Also known as square lens or ray box lens. A cylindrical lens is a lens which focuses light into a line instead of a point. The curved face or faces of a... MSRP: Now: $28.00 Add to Cart Compare Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view MiniScience | sku: 3352A Lenses, Acrylic Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted. MSRP: Now: $11.75 Choose Options Compare Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view MiniScience | sku: MS001 Wooden Stand for Lens and Mirror This wooden stand holds lenses or mirror with diameters of up to 100 milimeters in vertical position for light related experiments or demonstrations. Suitable for all light experiments when you need to mount the lens or mirror an a hight of about 10 to... MSRP: Now: $10.00 Add to Cart Compare SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
SALE Quick view MiniScience | sku: 3305_50mm Lenses Spherical, Bi-Convex, 50 mm Diameter Bi-Convex lens is made of polished glass with ground edges. Bi-convex lens is also known as magnifying or condensing lenses, with two outward curving symmetrical faces. Available in different focal lengths to choose from. Convex lenses with a higher... MSRP: Was: $3.50 Now: $2.50 Choose Options Compare
Quick view MiniScience | sku: RAYLENS5045PC Glass Cylindrical Lens, Plano-Convex 50x45mm, 7D Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators,... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected × OK
Quick view MiniScience | sku: RAYLENS5045CV Glass Cylindrical Lens, Bi-Convex 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also known... MSRP: Now: $32.00 Add to Cart Compare Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected
Quick view MiniScience | sku: RAYLENS5045BC72 Glass Cylindrical Lens, Bi-Concave 50x45mm FL 72mm To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Also... MSRP: Now: $32.00 Add to Cart Compare Compare Selected
