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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.
  • We also offer a precision grade penta prisms with tighter manufacturing tolerances.

General Specifications:

Parameter Value
Material BK7
Dimensional tolerance +/-0.15mm
90 deg deviation tolerance 3 arc min
Surface flatness l/2
Surface quality 60-40
Coating AL with black lacquer overcoat

PN: PNS011
Description: Penta prism, standard grade, 20x20x22
A: 20
B: 20
D: 22
Volume Price: Request Volume Quote

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