Specifications:
Material: K9
Dimension Tolerance: +0/-0.2mm
Bevel: Propective bevel
Clear Aperture: >90%
Surface Quality: 60/40
Flatness: L/4
Angle deviation: 5 arc sec.
Coating: Copper+black paint

Package Content:
1Pcs 1 inch prism

If you have any questions about the item, please contact us, we will solve it as soon as possible.

Thank you and Best Wishes!