Right-Angle Prism
1.Material BK7, IRFS, UVFS
2.Dimension tolerances +0/-0,2mm
3.Surface quality 40-20 scratch & dig
4.Clear aperture 80% of the face size
5.Flatness λ/4 @ 633 nm
6.90 deg angle tolerance +/- 2 arcmin (general type); +/-5 arcsec (precision type)
7.Pyramidal tolerance +/- 1 arcmin (general type); +/- 30arcsec (precision type)
8.Coatings None