Archived posting to the Leica Users Group, 2010/11/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Haven't had a chance to look at this. I'm on the road. Am looking forward to seeing it. Though I do want to clarify that I meant to say 50 and 75 are a bit close for every day uses. (for me). Their maximum reproduction ratio is clearly different though. On Nov 7, 2010, at 6:05 PM, Geoff Hopkinson <hopsternew at gmail.com> wrote: > I posted recently on the advantages of the APO Summicron M 75 ASPH at > mimimum focus distance (.7m) compared to the APO Summicron M 90 ASPH (1.m) > and the 50 was mentioned as too close to the 75 in the same discussion. > Currently a bit house bound so I set up a controlled experiment in my > garden. Subject focus distances within approx +- 5mm (using a macro rail > type setup). All at f/4. These are uncropped (downsized for web of course) > and identically processed. Not wonderful composition I know. Framed to > place > a detail to focus on within the rangefinder patch corner. You can just use > 'next' arrow from first frame if desired. > > Here's the 50 > http://gallery.leica-users.org/v/hoppyman/2/50.jpg.html > My 90 (set to 1m to simulate the APO 90's minimum) > http://gallery.leica-users.org/v/hoppyman/2/90.jpg.html > The 75 > http://gallery.leica-users.org/v/hoppyman/2/75.jpg.html > > > Cheers > Geoff > http://www.pbase.com/hoppyman > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information