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Porro Prism

It is a type of reflection prism which can be used to alter the orientation of an image
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Porro prism

It  is a type of reflection prism which can be used to alter the orientation of an image. Light enters the large face of the prism, then hits on the roof, by total internal reflection twice from the roof, the beam exits again through the large face. An image traveling through a Porro prism is rotated by 180 deg but not inverted.


Specification: 

Dimension Tolerance: +0/-0.2mm

Surface Quality:  60/40 

Clear Aperture >80% 

Flatness <λ/8@632.8nm 

Deviation 180°±10 arc seconds 

Roof Angle Tolerance <10 arc seconds 

AR Coating : as customized

Protective Chamfer


"Quality first, customer first, development and innovation"
Nanjing April Electro-Optics Ltd. founded in 2012, is specialized in high-precision cold processing of crystal materials, with sapphire, quartz and optical glass as raw materials. Core products including window, lens, crystal rod, prism, ball, filter, cylindrical mirror, ball cover, and so forth. 

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