Term - Porro prism |
| Porro prism | SWPP Photographic Glossary | Wednesday 2nd July 2025 |
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Porro prismThe conventional shape binoculars where light is bounced through 90 using a series of prisms. The other common type, used by many of the slim pocket style models, is roof prism that allows a straight tubed body.
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Information provided by: SWPP |
