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Pentaprism

Prism
A pentaprism is a five-sided reflecting prism used to deviate a beam of light by a constant 90°, even if the entry beam is not at 90° to the prism.The beam reflects inside the prism twice,[1] allowing the transmission of an image through a right angle without inverting it (that is, without changin
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Product Description

A pentaprism is a five-sided reflecting prism used to deviate a beam of light by a constant 90°, even if the entry beam is not at 90° to the prism.

The beam reflects inside the prism twice,[1] allowing the transmission of an image through a right angle without inverting it (that is, without changing the image's handedness) as an ordinary right-angle prism or mirror would.

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Common Specifications

Material H-K9L Smoothness 60-40
Appearance tolerance ±0.1mm Clear Aperture >90% of central diameter
Angular tolerance ±3’ Chamfer 0.3*45°
Facial shape λ4@632.8mn Coating According to customer requirements
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