Quick Answer: The Equilateral Prims (equilateral prism) is a 60°–60°–60° optical crown glass prism with polished faces and ground edges, listed in 38 mm, 50 mm and 75 mm sizes.
Last updated: October 2026
Key Features
Equilateral 60°–60°–60° geometry
Optical crown glass with polished faces
Fine-ground edges for safer handling
Sizes: 38 × 38 mm, 50 × 50 mm and 75 × 75 mm
Technical Specifications
Specification
Value
Geometry
Equilateral, 60°–60°–60°
Material
Optical crown glass
Faces
Polished
Edges
Fine ground
Sizes
38 × 38 mm, 50 × 50 mm, 75 × 75 mm
About This Product
The prism is used for refractive index and minimum deviation experiments, for splitting white light into a spectrum and for total internal reflection. It works with ray boxes, white light sources, optical benches and spectrometers. Enquiries from Senegal, Colombia, Democratic Republic of the Congo, Yemen and Malaysia for the Equilateral Prims receive an export quotation.
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