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Penta Prisms

Penta prism is a five sided prism used to deviate the input beam by 90° without inverting or reversing the image. The two reflecting surfaces are coated with antireflective material to reduce the loss of light (through transmission) as the incident angle is less than the critical angle. It is widely used in laser level, alignment and optical tooling.
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Specification: 
Material:H-K9L(Optical glass,UVFS)   
Dimension Tolerance:±0.1mm   
Angle Tolerance:< 3’   
Surface Accuracy:λ/4   
Surface Quality: 40/20   
Clear Aperture:>90%   
Bevel: < 0.2mm×45°   
Coating : Custom Design 
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