Prisms, Glass Blocks & Spectroscopes (19 items)

An 'S' shaped 220 x 20 x 20mm acrylic bar which can be used in conjunction with a ray box to demonstrate total internal reflection.

Rectangular acrylic block from Eisco, suitable for use as a refraction plate.

Semi-circular acrylic block from Eisco with all faces fully polished.

A set of highly polished, acrylic equilateral prisms. The prisms have 25mm sides and lengths of 25, 50 and 100mm.

A rectangular solid glass block made from bubble-free optical glass with optically worked surfaces. All angles are accurately worked with edges slightly bevelled.

A 90mm semi-circular solid glass block with a nominal thickness of 15mm. The block is made from clear glass with all faces polished.

A set of seven clear acrylic blocks. The blocks are 25mm thick and are fully polished on all faces.

A double convex lens made from clear Acrylic.

A double concave lens made from clear Acrylic.

This traditional ray box has three openings, two of which can be used simultaneously by two sets of pupils. Only a minimum of accessories are needed to cover a wide range of optics experiments.The ...

A set of six un-mounted 100 x 100mm coloured plastic sheets. Three sheets feature primary colours, three feature secondary colours.

A set of eight coloured acetate filters mounted in 50 x 50mm plastic frames suitable for use in optical boxes, etc.Three slides feature primary colours and the other three feature secondary colours.

This industry standard spectroscope can be used for measuring light wavelengths and colours from various light sources. The spectroscope measures wavelengths from 400 to 700nm for detailed examinat...

This equilateral clear glass prism is ideal for use in the laboratory and classroom during physics and other science lessons.

An economical, yet effective Optical Bench Set that provides accurate demonstrations of basic optical principles.