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Originally Posted by Roger Davis
The line is called a roof. Hence the term "Roof Prism".
The "smearing" effect is due to the "roof" across which the erecting of the image occurs. See the attachments.
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Hi Roger,
I always thought that the definition of a roof prism was one with two totally internally reflecting surfaces at 90 degrees to each other, and that was where the name "roof" came from. Is this wrong?
Cheers,
Brian.