Roof Prism
Roof prisms are compact and allow the objective and eyepiece to lie on the same axis, so they are common in very compact binoculars. Their key feature is the roof: two reflecting faces meet at an edge centered in the optical path. Some roof prisms therefore show a dividing line in the middle. This can also be understood as splitting the beam into two halves and recombining them.
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Overview
Roof prisms are compact and allow the objective and eyepiece to lie on the same axis, so they are common in very compact binoculars. Their key feature is the roof: two reflecting faces meet at an edge centered in the optical path. Some roof prisms therefore show a dividing line in the middle. This can also be understood as splitting the beam into two halves and recombining them.
Specifications
| Parameter | Value |
|---|---|
| Dimensional Tolerance | ±0.1mm |
| Clear Aperture | ≥90% |
| Surface Figure Accuracy | λ/5 |
| Angle Tolerance | 3″ |
| Surface Quality | 40/20 |
| Chamfer Accuracy | ±0.1 |
| Bidirectional Difference | 15″ |
| Side Face Perpendicularity | <3´ |
Datasheet
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Supplier Information
Nanjing Zhengyu Optical Technology Co., Ltd. specializes in manufacturing high-precision optical lenses, with main products including flat series, prism series, and surveying instrument accessories, applicable to rangefinders, total stations, rotating lasers, line lasers, etc. The company possesses processing equipment such as prism milling and grinding machines, high-speed prism polishing machines, classic low-speed prism polishing machines, and inspection equipment like automatic goniometers and plane laser interferometers, providing high-quality, high-precision, and stable optical products. With over 10 years of professional optical cold processing technicians, the company has strong technical strength and is a young team brave in innovation. Continuously improving products and after-sales service, we have established good cooperation with several world-class multinational companies.
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