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03-05-2011, 07:47 AM   #76
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No, no, what would I do with this thread? :-)

Glad you guys got so into it. This will stand as a valuable resource for others.

03-05-2011, 08:27 AM   #77
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QuoteOriginally posted by rparmar Quote
No, no, what would I do with this thread? :-) Glad you guys got so into it. This will stand as a valuable resource for others.
Well, gee . . . maybe we could digitally autograph it for ya as the original instigator then.

(Not to be mistaken for the abominable alligator, however!)

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03-06-2011, 02:13 PM   #78
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I think that adding petals to the optimum circular format hood to block light from out-of-format parts decreases unwanted light by 40%; ie. by the ratio of the area of the circle to the 2:3 rectangle that fits inside it.

See my post above: https://www.pentaxforums.com/forums/1413666-post71.html
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