Archived posting to the Leica Users Group, 2009/03/31
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Very nice. Now I have a perfect example photo to point to when people ask about micro/macro contrast and how a lens with high macro can have low micro and vice versa. The microscope print also has some great examples of moire that would be hard as heck to fix in post and even recognize as not-real detail. On Tue, Mar 31, 2009 at 8:25 AM, Geoff Hopkinson <hopsternew at gmail.com> wrote: > Carl Zeiss infrequently publish a newsletter. The most recent is here: > Camera Lens News No. 31: > http://www.zeiss.com/cln > It includes links to a two part paper on MTF curves that I found to be very > informative. Some of the examples are based around 12 & 24MP sensors, so > that it is clearly recent. Discussions include the effects of focus > accuracy, focus shift and other areas that I have not seen explained in > other explanations for the layman. There are also photos to download to > show > particular characteristics against specific curve examples. I think it is > worthy of a read for the technically curious. > > > -- > Cheers > Geoff > 'Life's too short for mediocre glass' > http://gallery.leica-users.org/v/gh/a/ > http://www.pbase.com/hoppyman > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >