Equilateral dispersing prisms have three equal 60°angles, and are mostly used to disperse the spectrum.

General Specifications
Material                                       N-SF11
Dimensional tolerance              ±0.1mm
Surface quality                           60-40 S/D
Flatness                                       λ/2@633nm
Bevel Protective bevel

Three Angles: θ=60°
Angular tolerance: 3'