Penta prism has five sides, four of them polished. Two reflective sides are coated with metal or dielectric HR coating and these two sides can be blackened. The deviation angle of 90 degrees will not be changed if the penta prism is slightly adjusted. The reflecting surfaces of this prism must be coated with a metallic or dielectric reflective coating.

Parameters

Beam Deflection Angle ±3′

Material H-K9L/UV Fused Silica

Diameter Tolerance 0/-0.1

Surface Flatness λ /5

Scratch/Dig 60/40

Clear Aperture ＞90%

Bevelling 0.2±45°

Coating AR OR BBAR

Lacquer GT-7 or equivalent

If you are looking for an optical prism manufacturer, you are at the right place! Oplens is a leading optical prims manufacturer and a supplier of a variety of optics for many industries.It is widely used in in camera viewfinder, image observation system or measuring instrument. You are welcome to contact us for customized this product!

https://www.oplens.com/optical-prism/penta-prism.html