Optical right angle prism: Why use a Roof Prism? Roof Prism with high dimension control and apply to any Anti-reflecting coating. It may be used to revert and invert the image as well as bend the line of sight through a 90 degree angle. They are excellent as prism diagonals in optical systems, because they erect the inverted image. Also ideal for use in spotting scopes, and any optical instrument where it is desirable to take an inverted image from an objective, turn it right side up, and bend it through a 90° angle, to maintain the correct visual orientation. Specification: | Material | BK7, Quartz, sapphire, etc, optical glass | | Dimension tolerance | 0.02~0.5mm | | Surface accuracy | 0.5~5 fringes | | Surface quality | 20/10, 40/20, 60/40 | | Angle tolerance | <3' | | Size | 3-100mm | | Clear Aperture | >90% | | Coating | AR coating,Reflective Coating (on your request) | | Bevel | Protective bevel 0.2*45° |
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