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AhamB
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Re: Leica aspherics


edwardkaraa wrote:


AhamB wrote:
The mechanical tolerances applied by Leica must conform to a minimum of 1/100 mm or 1 micron

Come on...

So Leica maintains all those ultra high tolerances and they can\'t give us actually measured MTFs.


I actually believe that tolerances are very tight. Have you ever heard of a decentered M lens?


I\'m not disputing that Leica don\'t have tight manufacturing tolerances, but I was just teasing about the MTFs which I believe aren\'t direct measurements. Also, the writer got the bit about 1 micron being 1/100 mm wrong (it\'s 1/1000).



Oct 26, 2015 at 11:41 AM





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