High quality equilateral prism with 20mm x 20mm x 20mm sides - in F2 glass type.
Angular tolerance : +/- 3 arcmins
Surface quality : 40-20 Scratch/Dig
Dimensional Tolerance: +/- 0.15mm
Clear Aperture : :70% of surface
High quality equilateral prism with 20mm x 20mm x 20mm sides - in F2 glass type.
Angular tolerance : +/- 3 arcmins
Surface quality : 40-20 Scratch/Dig
Dimensional Tolerance: +/- 0.15mm
Clear Aperture : :70% of surface