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*rparmar* · 08-08-2008, 09:02 AM

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.

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.

08-08-2008, 09:02 AM	#26
rparmar Site Supporter Join Date: Jan 2008 Location: Ireland Gallery Photos: 24 Posts: 1,667	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. 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. __________________ All images (c) 2008 Robin Parmar. Visit my Flickr images, website, or blog.