Description
Porro prism is a type of reflection prism which can be used to alter the orientation of an image. Light enters the large face of the prism, then hits on the roof, by total internal reflection twice from the roof, the beam exits again through the large face. An image traveling through a Porro prism is rotated by 180deg but not inverted.
Porro Prism
Specifications
| Material: | BK7, UVFS |
|---|---|
| Dimension (Height): | 12.7 mm |
| Dimension (Width): | 12.7 mm |
| Dimension (Length): | 12.7 mm |
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Features
Dimension Tolerance +0.0/-0.2mm
Clear Aperture >80%
Deviation Up to 180°±10 arc seconds
Roof Angle Tolerance <5 arc seconds
Flatness λ/10@632.8nm
Wavefront Distortion λ/4@632.8nm
Surface Quality 60/40 scratch and dig
Chamfer Sharp roof, other protective chamfered
AR Coating Available
Frequently Asked Questions
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