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bn:01719484n
Noun Concept
Categories: Surveying instruments, Prismatoid polyhedra, Prisms, Photography equipment
EN
pentaprism  roof pentaprism
EN
A pentaprism is a five-sided reflecting prism used to deviate a beam of light by a constant 90°, even if the entry beam is not at 90° to the prism. Wikipedia
Definitions
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Sources
EN
A pentaprism is a five-sided reflecting prism used to deviate a beam of light by a constant 90°, even if the entry beam is not at 90° to the prism. Wikipedia
Five-sided reflecting prism Wikidata
IS A
pentagonal prism
Wikipedia
EN
pentaprism
Wikidata
EN
pentaprism
Wikipedia Redirections
EN
roof pentaprism

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