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Sales engineer
Arminas Butkus +370 5 219 4884
Penta prisms
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Penta prisms

Main features

 

  • Fabricated from high quality BK7 glass material
  • Enables to to deviate beam or image by 90° without inverting or reversing it
  • AR coatings on demand

 

Application examples 

 

  • Range finding
  • Surveying
  • Alignment
  • Cinephotography
Request custom
  • Description
  • Specifications

Penta prisms are five-sided prisms, which deviate an input ray or image through 90° without inverting or reversing the image and provide right handed images. An important feature of these prisms is that the 90° ray deviation is not dependent on a precise alignment of the prism with respect to the incoming beam or image and 90° ray deviation occurs even if the entry beam is not at 90° to the prism. Penta prisms are essential to define right angles in optical systems.

Penta prisms
Beam deviation 90˚±1 arcmin
Dimensions tolerance ±0,1 mm
Protective chamfers <0,35 mm at 45°
Coatings Reflective: aluminized reflective coating
Antireflective: uncoated, available
Surface quality 40-20 S-D
Surface flatness <λ/[email protected],8 nm
Order your item
Material Dimensions Clear aperture SKU price quantity
BK7
10x10x10 mm
7x7 mm
7433
Request
BK7
20x20x20 mm
14x14 mm
7434
Request
BK7
40x40x40 mm
28x28 mm
7435
Request
BK7
60x60x60 mm
42x42 mm
7436
Request