Quick Answer: The Prism, Glass is a solid optical prism in crown or flint glass for refraction and dispersion work. It is made in equilateral or right-angled form with face lengths of 25, 38, 50 or 75 mm.
Last updated: October 2026
Key Features
Crown glass or higher-index flint glass
Equilateral or right-angled geometry
Face lengths of 25 mm, 38 mm, 50 mm or 75 mm
Technical Specifications
Specification
Value
Material
Crown glass or flint glass
Shape
Equilateral or right-angled
Face length
25 mm, 38 mm, 50 mm or 75 mm
About This Product
An equilateral glass prism separates white light into its colours, and on a spectrometer it is used to find the angle of minimum deviation and the refractive index of the glass. Prisms of either shape also serve in general geometric optics practicals on refraction. Enquiries from Guinea-Bissau, Rwanda, Trinidad and Tobago, Samoa and Timor-Leste for the Prism, Glass receive an export quotation.
Frequently Asked Questions
What shapes and sizes does the Prism, Glass come in?
It is made as an equilateral or right-angled prism with a face length of 25 mm, 38 mm, 50 mm or 75 mm, in crown or flint glass.
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