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prisme pentagonal [1 record]

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Record 1 1987-05-26

English

Subject field(s)
  • Photography
  • Optics
DEF

a pentagonal prism having one angle 90 ° and the others 112 ° 30', producing a constant deviation of 90 ° for any wavelength, and used as a reflector in range finders.

French

Domaine(s)
  • Photographie
  • Optique

Spanish

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