SO-P12 SERIES
SO-P12 K9 pentaprisms deviate a beam by 90 degrees with substantially less sensitivity to small prism rotations than a simple mirror. They are used in metrology, surveying, alignment systems and optical instruments that need a stable right-angle reference.
Product Overview
Select a Model
models
Engineering Guidance
Choose the prism around beam geometry and angular accuracy
Optical behavior
Models are defined by A, B, C and D dimensions, beam-deviation tolerance and coatings on the reflective and entrance/exit faces. Reflective faces use protected aluminum while transmission faces use MgF2 antireflection coating where specified.
Selection and handling
A pentaprism fixes beam deviation but does not correct all mounting errors; reference the optical faces and preserve coating orientation in the housing.
Need a different diameter, tolerance or coating?
Custom substrate materials, dimensions, angular tolerances and coating bands can be reviewed for prototype and production quantities.
Technical Resources
Related engineering articles
Selection notes and practical guidance matched to this product family.
CANAL GLASS SHOP
TECHNICAL RESOURCE
TECHNICAL RESOURCE
How Optical Prisms Redirect and Transform a Beam
Review reflection geometry, image orientation and beam deviation across common prism forms.
CANAL GLASS SHOP
TECHNICAL RESOURCE
TECHNICAL RESOURCE
Choosing Prism Materials and Coatings by Wavelength
Compare substrate transmission and coated-face requirements for visible, near-infrared and broadband paths.
CANAL GLASS SHOP
TECHNICAL RESOURCE
TECHNICAL RESOURCE
Reading Angular Error and Surface Specifications
Understand how angular tolerance, pyramidal error and surface quality affect pointing and image performance.
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