BK7 LASER GRADE Right Angle Prism
Specification:
Material: BK7 grade A fine annealed optical glass
Dimension Tolerance: +0.0, -0.2 mm
Clear Aperture: >80%
Angle Tolerance: (90deg, 45 deg ): <3'
Flatness: Lambda/10 at 632.8 nm
Surface Quality: 20-10 scratch and dig