pinhole size

From: William Erickson <erickson_at_domain.name.suppressed>
Date: Fri 19 Jul 2002 - 16:52:10 PDT

I misspoke this morning when i sent a comment about the relationship between
pinhole size and sharpness. I indicted that exposure doubles with every 40%
increase in diamter. It should have been the area of the aperture doubles,
and thus time halves.
Received on Fri Jul 19 16:51:51 2002

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