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VAV · 08-07-2008, 09:32 AM

I am curious about how Pentax came up with the focal lengths for the three FA limited lens - 31, 43 and 77 - How do they decide on these focal lengths ?- why not, for example, 30-50-75?

Thanks

08-07-2008, 09:32 AM	#1
VAV Member Join Date: Jul 2007 Location: New York Gallery Photos: 0 Posts: 83	FA Limited Lens' focal length question I am curious about how Pentax came up with the focal lengths for the three FA limited lens - 31, 43 and 77 - How do they decide on these focal lengths ?- why not, for example, 30-50-75? Thanks