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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.          



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