The general tolerance specifications above provide a guideline regarding manufacturing capabilities for optics ranging in size from 3-76.2mm. The manufacturing limits are not absolute;tighter tolerances may be possible. Part specific tolerances may vary depending on component size, shape, and/or material.

Specification of our amici prism as follow:
*Material BK7 or UV grade fused silica 
*Dimension Tolerances +/-0.1mm 
*Clear Aperture >80% 
*Surface Quality:60/40 Scratch/Dig
*Surface Flatness lambda/4 at 633nm 
*Angle Tolerance 60 degree+/-3 minutes 
*Chamfer 0.3mm+/-0.1mm m
*Coatings Optional