Dove Prisms

Material BK7
Base Length 21-80mm
Height 5-20mm
Depth   5-20mm
Dimension  Tolerance     +0/-0.2mm    
Flatness   λ/2 @ 632.8mm
Surface Quality      60/40  
Angle Tolerance ±3 arc min    
Bevel   <0.25mm x 45°  
Coatings   according to your specs