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Current location: Prism
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 180 deg but not inverted. |
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Material |
BK7 Grade A optical glass |
Dimension Tolerance |
+0.0/-0.2mm |
Clear Aperture |
>80% |
Deviation |
Up to 180°±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 | |
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