ペンタプリズム
1. pentaprism
2. PentaprismA 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. The beam reflects inside the prism twice, allowing the transmission of an image through a right angle without inverting it (that is, without changing the image's handedness) as an ordinary right-angle prism or mirror would.
Read “Pentaprism” on English Wikipedia
Read “ペンタプリズム” on Japanese Wikipedia
Read “Pentaprism” on DBpedia
Read “Pentaprism” on English Wikipedia
Read “ペンタプリズム” on Japanese Wikipedia
Read “Pentaprism” on DBpedia
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