Originally Posted by rparmar
I have read this a couple of times, with the 77mm being claimed as 80mm or whatever. Does anyone have the tests where this was determined?
IOW, proof would be nice.
Originally Posted by Alfisti
Is the 77 really 79? If the 70 is really 68 then there is 11mm difference not 7mm. It explains a few things.
somebody asked this before and i answered it but the answer went unnoticed. no concrete evidence but the very well known Godfrey mentioned this before in this post i refer to all the time when people bring up the FA77 vs DA70 question. i might as well put it in my sig.
Should I get 77mm or 70mm? - Photo.net Pentax Forum