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Penta prisms deviate beams by 90 degrees. The deviation is independent of prism orientation. Due to geometry, the reflecting surfaces must be coated with a reflective coating.

  • Image is neither inverted nor reversed as it is deviated by 90 degrees.
  • 90-degree deviation angle applies to all rays transmitted by the useful aperture, regardless of the angles between these rays and the optical axis (or entrance and exit face normals).
  • Antireflection coatings are available for entrance and exit faces.

General Specifications:

Parameter Value
Material BK7
Dimensional tolerance +/-0.10mm
90 deg deviation tolerance 10 arc seconds
Surface flatness l/4
Surface quality 60-40
Coating AL with black lacquer overcoat

PN Description A B D Volume Price
PNP005 Penta prism, precision grade, 12x13x14 12 13 14 Request Volume Quote
PNP009 Penta prism, precision grade, 15x15x16 15 15 16 Request Volume Quote
PNP011 Penta prism, precision grade, 20x20x22 20 20 22 Request Volume Quote
PNP013 Penta prism, precision grade, 25x25x27.1 25 25 27.1 Request Volume Quote


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