Custom Optical Glass Bk7 Fused Silica Dach Roof Prism

16 Dec 2021

A roof prism (also called a Dach prism as dach is German for roof) is in general any kind of reflective optical prism containing a section where two faces meet at a 90° angle. Reflection from the two faces returns an image that is flipped laterally across the axis where the faces meet.

our company supply various angle prism and material roof prism

Material: BK7 glass

Dimension Tolerance: ±0.1mm

Clear Aperture: ≥85%

Roof angle: See following product tables

Angle Tolerance: <1 arc min

Surface Quality: <40/20 scratch & dig

Surface Flatness: <λ/8@633nm

Bevel: 0.3mmx45°

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