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Commander Group Ltd
Tel: 86-510-81665363

Products Categorys
Optical Prisms

Porro Prism

Porro Prism

Porro Prisms

High Precision Dimension Control, Optional Substrate Material.

Projection Systems, Imaging Systems, Laser Measurement Systems, etc.

Porro prism 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 180deg but not inverted.

Material BK7 or UV Fused Silica
Dimension Tolerance +0.0/-0.2mm
Clear Aperture >80%
Deviation Up to 180°±10 arc seconds
Roof Angle Tolerance <5 arc seconds
Flatness λ/10@632.8nm
Wavefront Distortion λ/4@632.8nm
Surface Quality 60/40 scratch and dig
Chamfer Sharp roof, other protective chamfered


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Address: No.16, Xinyuan Rd., Jiangyin, Jiangsu, P.R.C
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