Porro prism

English

Named after its inventor, Ignazio Porro.

Porro prism (plural Porro prisms)

A reflection prism used in optical instruments to alter the orientation of an image. It consists of a block of glass shaped as a right geometric prism with right-angled triangular end faces.

单词	Porro prism
释义	Porro prism English Etymology Named after its inventor, Ignazio Porro. Noun Porro prism (plural Porro prisms) A reflection prism used in optical instruments to alter the orientation of an image. It consists of a block of glass shaped as a right geometric prism with right-angled triangular end faces.
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