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