Penta Prism

Special size can also be offered upon request. All dimensions are in mm unless otherwise specified.
Remark: Below you can check the images of Hollow Penta Prism which will be widely used in future.

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Right Angle Prism

The Penta Prism is a five-sided prism, featuring two important properties. Firstly, the image is neither inverted nor reversed while it is deviated by 90°.Seconldy, it’s a constant deflection device, i.e. all the transmitted rays are deviated by the same exact 90°. Slight adjustment of the prism does not affect the true right angle. The reflecting surface of this prism must be coated with reflective coating.

Specifications

Material:	BK7 or fused silica
Dimension(A×B):	8×8, 10×10, 15×15, 20×20, 25.4×25.4
Beam Deviation:	90°±3′ to 1″(no additional wedge needed)
Flatness:	≤ λ/10 @632.8nm
Surface Quality:	60/40 scratch and dig
Clear Aperture:	>90%

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