Archived posting to the Leica Users Group, 2008/05/05
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Qiao, I'm afraid I do not see the aliasing in the Turkeys eye, looks fine to me even enlarged. Gene -------------- Original message ---------------------- From: Qiao Li <qiao_li@mentor.com> > > Hi Doug, > > Sorry that I am asking the question with an apparent answer. > > Could you elaborate a little on how these pictures showed that DMR @ > ISO400 is preferrable than Provia 400F? > > To my untrained (not due to modesty) eyes, the Provia 400F picture > seems to have more noise. But the DMR photo seems to show quite some > aliasing, like the reflection from the turkey's eye, the hair at its > back, and the highlights on the red caruncle(?)? > > Or the subjects in the photos helped the Provia 400F. If Provia 400F > were used to take the photo of the turkey, the aliasing would be seen > also in the digital scan? > > Thanks. > > Qiao > > > Here are a few photos that I consider sharp and do a good job of > > demonstrating > a lens' capabilities (full image first, then a 100% crop). The crops are > big > files, your browser might want to scale them down to fit the window. > These also > show why I prefer the DMR @ ISO 400 over Provia 400F: > > > > 560mm f/6.8 @f/6.8 (a 1970 design) on the R8/DMR: > > http://wildlightphoto.com/birds/phasianidae/witu19.jpg > > http://wildlightphoto.com/birds/phasianidae/witu19crop.jpg > > > > http://wildlightphoto.com/mammals/artiodactyls/dash01.jpg > > http://wildlightphoto.com/mammals/artiodactyls/dash01crop.jpg > > > > 80-200mm Vario-Elmar @ 180mm & full aperture on Provia 400F: > > http://wildlightphoto.com/birds/strigidae/eeow02.jpg > > http://wildlightphoto.com/birds/strigidae/eeow02crop.jpg > > > > The 70-200L may be as remarkable a lens as some have said, but these > > photos > don't show it. Or I might be spoiled by the DMR and Leica lenses. > > > > > > > > Doug Herr > > Birdman of Sacramento > > http://www.wildlightphoto.com > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information