Prisms, Glass Blocks & Spectroscopes (19 items)

The really intriguing aspect of this device is the use of a common place CD or DVD replacing either an expensive prism or specially made diffraction grating. The performance of this ultra-low cost ...

This apparatus demonstrates the discovery, made by Newton, that white light is made up of seven individual colours. The apparatus consists of a pulley mounted on a metal stand. The seven-coloured d...

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

This hollow glass prism can be filled with specific liquids in order to carry out refraction experiments.

This effective laser emits an intense monochromatic red beam of wavelength 630 to 640nm at 0.9mW (Class II operation). Typical beam divergence is approximately 1 millirad. The laser beam can be mod...

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...

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.

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

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 ...

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.

A double concave lens made from clear Acrylic.

A double convex lens made from clear Acrylic.

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

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

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