Newest Products

Kit includes: (1) Secchi Disk 9 inches, (1) 10+ feet of string, (1) Small handle Used for quick qualitative measurements of the clarity of water o...

Set of 3 Rightangled Acrylic prisms consists of 25 mm, 50 mm and 75 mm long prisms. Constructed of clear Acrylic with highly polished surfaces. Th...

Index of refraction plate, made from acrylic.

An economical metal ray box comprises of a die cast enclosure, delivers white light but runs much cooler than conventional incandescent lamp models...

For use with optical bench as a light source. Output 12V AC 2 Amps.

For use with optical bench as a light source. Output 12V AC 2 Amps.

Set includes (1) Ray box, (3) Ray slit cards to make light rays, (1) Open vessel to add fluids of different refractive indices, (1) 360 degree opt...

Robust: rider profile and solid aluminumPractical and smart:White fillets for easy reading even in the dark.Double fillets capable of playing two s...

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This economy light source has a LED powered by 2AA battery. Battery holder included

Same as Cat. No. PH0615 but supplied in Gratnell storage tray.Supplied with manual.

Optically worked faces, well polished size 50 x 45mm

Highly polished Plano concave lens, measuring 50mm x 45mm (2" x 1.75"). This diverging lens has a 75mm focal length and is made of high quality, op...

Optically worked faces, well polished size 50 x 45mm

Optically worked faces, well polished size 50 x 45mm

Optically worked faces, well polished size 50 x 45mm

Optically worked faces, well polished size 50 x 45mm

When the traditional white light ray boxes do not provide strongenough rays to be seen across a classroom of ambient light then we recommend this 6...

500 Lines / mm. *This product has been discontinued and is no longer available. Now available as PDG19 series.

1000 Lines / mm.*This product has been discontinued and is no longer available. Now available as PDG19 series.

From acrylic plates properly cemented.

From acrylic plates properly cemented.

PRISM WITH STOPPER || Hollow prism with stopper used when studying Snell's Law of Refraction SNELL'S LAW || When referring to light or other waves...

PRISM WITH STOPPER || Hollow prism with stopper used when studying Snell's Law of Refraction SNELL'S LAW || When referring to light or other waves...

Overall size is 1 1/8" x 3 1/8" x 10/16" Perfect for experiments where you need a mirror upright Glass mirror exact size is 2 13/16" x 15/16". Lig...

Good quality, exact focal length.

Good quality, exact focal length.

This round double convex high optical purity glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 1...

This round double concave High Optical Purity Glass Lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and ...

This round double convex high optical purity glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 4...

This round double concave high optical purity glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and ...

This round double concave High Optical Purity Glass Lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and ...

This round double convex high optical purity glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 5...

Good quality, exact focal length.

Good quality, exact focal length.

This round double concave high optical purity glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and ...

This round double convex high optical purity glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 8...

DOUBLE CONVEX || Highly polished, double convex lens SPHERICAL || Lens measures 3" (75mm) in diameter 300MM FOCAL LENGTH || Converging lens with a...

DOUBLE CONVEX || Highly polished, double convex lens SPHERICAL || Lens measures 3" (75mm) in diameter and is approximately 8.5mm thick 250MM FOCAL...

DOUBLE CONVEX || Highly polished, double convex lens SPHERICAL || Lens measures 3" (75mm) in diameter 200MM FOCAL LENGTH || Converging lens with a...

DOUBLE CONVEX || Highly polished, double convex lens SPHERICAL || Lens measures 3" (75mm) in diameter and is approximately 12mm thick 150MM FOCAL ...

DOUBLE CONVEX || Highly polished, double convex lens SPHERICAL || Lens measures 3" (75mm) in diameter and is approximately 3mm thick 100MM FOCAL L...

This round double convex optical glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 15.5mm thick....

DOUBLE CONVEX || Highly polished, double convex lens SPHERICAL || Lens measures 2" (50mm) in diameter 50MM FOCAL LENGTH || Converging lens with a ...

Double Convex Spherical, lenses made of extra white glass with ground edges, highly polished. Spherical, made of extra white glass with ground edg...

Highly polished, double convex lens Lens measures 2" (50mm) in diameter and is approximately 2.8mm thick Converging lens with a 300mm focal length...