Porro Prisms
A Porro prism reorients images in optical instruments. Light enters the largest rectangular face, undergoes two total internal reflections and exits through the original entrance plane. Nearly normal entrance and exit produce virtually no refractive dispersion. The image is inverted and rotated 180° while handedness remains unchanged. A 180° reversal folds the optical path and shortens the instrument.
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Overview
Specifications
| Parameter | Value |
|---|---|
| tolerance | ±0.1mm |
| Clear Aperture | ＞90% |
| Surface Figure | N＜1，△N＜1/2λ |
| Chamfer | ＜0.2mm |
| coating | AR |
| Material | H-K9L |
| Surface Quality | 40/20 |
| Angle | ±3′ |
Applications
Datasheet
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Supplier Information
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