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出典:Wiktionary
出典:『Wiktionary』 (2009/06/05 16:42 UTC 版)
pentamirror (複数形 pentamirrors)
出典:Wikipedia
出典:『Wikipedia』 (2011/04/20 17:28 UTC 版)
Pentamirror is the optical device used in the viewfinder systems of various single-lens reflex cameras instead of the pentaprism. It is used to reverse again the upside-down and laterally reversed image coming from the reflex mirror.