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Old Oct 23, 2006, 3:02 PM   #10
Senior Member
Join Date: Jun 2002
Posts: 398

Different opinion about "50 mm" and "22-24 mm":

Is it possible that both are correct, but

50 mm is the focal length of ONE eye (we only use one eye to look through the camera viewfinder)

22-24mm is the "focal length" (note the quote) of TWO eyes, representing the field of natural human vision

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