Roof Penta Prism

Roof penta prism is originated from a penta prism where one of its reflecting surface is replaced by a roof surface. Roof penta prism deviates an input beam by 90°with image reversal.

Material H-K9L,H-BaK7
Dimension 5-150mm
Dimensional Tolerance ±0.1mm
Beam Deviation 90°
Roof Angle Tolerance ±2″
Coating AR film, HR film and black paints are optional.
Surface Flatness λ/4(Φ60)
Surface Quality 40-20/20-10