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Porro Prism 20mm aperture


US$67.21
Ships within 4-6 weeks
SKU: PIJ2002
More Information
Material N-BK7 or equivalent
Dimension A (mm) 20
Dimension B (mm) 20
Dimension C (mm) 28.3

Porro prisms are variants of the standard 90° prism but used as a pair to displace and invert a beam. Porro prisms are widely used in binoculars where they orientate the image correctly and reduce the total length of the binoculars by a small amount.

Material:
Dimensions:
Surface Quality:
N-BK7 or equivalent
± 0.2 mm
60/40 scratch/ dig

Anti-reflective coatings available on request.
Faces can be coated with mirror coatings.