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I disassembled the binoculars to inspect the Porro prism and found a hairline scratch on one face.
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I disassembled the binoculars to inspect the Porro prism and found a hairline scratch on one face.
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Related words
Porro prism
Noun
Japanese Meaning
画像の向きを変えるために光学機器で使用される反射プリズム。直角三角形の面を持つ直角幾何学プリズム形のガラスブロックで構成される。
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