Thread: Erect image diagonals
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Old 13-04-2006, 08:01 AM
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Roger Davis
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Roger Davis is offline 		 
Join Date: Nov 2004
Location: Sydney
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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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