Prisms, Glass Blocks & Spectroscopes (5 items)

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 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...

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 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...