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Roof prism is combined with a right angle prism and a totally internally reflecting roof and they are attached by them largest square surfaces. It can invert and reverse an image, also, deflect the image 90° . Therefore, it is often used in terrestrial telescopes, viewing systems and rangefinders.
Specifications
Material: BK7 Grade A Optical Glass
Dimension Tolerance: +0.0, -0.2 mm
Clear Aperture: >80%
Angle Tolerance: ± 3arcmin
Flatness: λ/2 @632.8 nm
Surface Quality: 60-40 scratch and dig
Protective Bevel