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Re: Focal Length - Derivation Of Formula
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Arnold Forster/">Arnold Forster on March 21, 1998 11:20:47 UTC |
: Could somebody help me with the mathematical derivation of the focal length formula, e.g., 1/f = 1/do + 1/di. Thanks ! |
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