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Schmidt–Pechan prism

What is

Schmidt–Pechan prism

?

Schmidt-Pechan Prism is an optical prism that rotates an image by 180 degrees, commonly used in binoculars as an "image erection system."

Schmidt-Pechan Prism

Schmidt-Pechan Prism is an optical prism that rotates an image by 180 degrees, commonly used in binoculars as an "image erection system." The prisms are made by one half penta angle and one roof prisms.

Pechan Prism Ray Path

Pechan Prism Tunnel Diagram