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Set of six prisms and lenses. Set includes a rectangular block, semi circle, equilateral prism, and 3 double convex lenses Each of the prisms and ...

Adjustable SlitAdjustable Slit

Adjustable Slit for use with an Optics Bench. Spring loaded precision split. Maximum slit opening of 4mm. Maximum slit opening of 4mm. Total leng...

Plastic bi-focal magnifier Two magnification levels - 5x and 3x Magnifier measures 4.25" tall Portable, compact size - fits in your pocket, bag or...

Ten pack plastic bi-focal magnifiers Each magnifier features two magnification levels - 5x and 3x Magnifier measures 4.25" tall Portable, compact ...

Five Pack of plastic bi-focal magnifiers Each magnifier features two magnification levels - 5x and 3x Magnifier measures 4.25" tall Portable, comp...

Candle HolderCandle Holder

Set of 8 includes the colors Violet, Cyan (Aqua), Blue, Green, Yellow, Red, Magenta, RBG - 2" x 2" Each Aperture housing transparent color film me...

This round concave glass mirror is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 1.8mm thick. Note, thickn...

This round concave glass mirror is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 1.5mm thick. Note, thickn...

This round concave glass mirror is designed for physics and educational uses. It is approximately 3" (75mm) diameter and 2.8mm thick. Note, thickn...

This round concave glass mirror is designed for physics and educational uses. It is approximately 3" (75mm) diameter and 3mm thick. Note, thicknes...

This round concave glass mirror is designed for physics and educational uses. It is approximately 3" (75mm) diameter and 3mm thick. Note, thicknes...

This round concave glass mirror is designed for physics and educational uses. It is approximately 3" (75mm) diameter and 3mm thick. Note, thicknes...

This round concave glass mirror is designed for physics and educational uses. It is approximately 3" (75mm) diameter and 3mm thick. Note, thicknes...

This round concave glass mirror is designed for physics and educational uses. It is approximately 4" (100mm) diameter and 3mm thick. Note, thickne...

Concave glass mirror 150mm Diameter 150mm Focal Length High quality glass Optically worked, silvered back with protective coating. Dia 150mm, Foca...

50mm Diameter Concave mirror Focal Length of 100mm Optically worked silvered back with protective coating 50cm diameter concave mirror. Glass with...

50mm Diameter Concave mirror Focal length of 150mm Optically worked silvered back with protective coating 50cm diameter concave mirror - Glass wit...

50mm Diameter Concave mirror Focal length of 200mm Optically worked silvered back with protective coating 50cm diameter concave mirror - Glass wit...

This round concave glass mirror is designed for physics and educational uses. It is approximately 1.5" (38mm) diameter and 2mm thick. Note, thickn...