Archived posting to the Leica Users Group, 1999/03/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Walt, I simply disagree with you on almost all of your following post. Jim At 09:58 AM 3/1/99 -0600, you wrote: > >Yes, I did in college....in a photo-physics course (yes, they really exist) >No, there was no discernable difference with/without in sharpness >(50 summicron, tiffen single coated UV)....used 50x microscope, navy >test pattern, center and edges....no, no MTF data....that's for >designers, I'm a photographer..... > >Just like there's no PHOTOGRAPHIC difference in lenses from l970 and today... >By photographic, I mean that shots taken at the same time/same place, >on 100 print or E6 or tri-x, handheld, etc.....there's no difference.. > >No, there's no visible photographic difference in sharpness under real-world >conditions with/without clean UV filter.....there may be in contrast due >to flare, but only under certain conditions, i.e. BRIGHT light >source in picture, strong oblique lighting w/o hood, etc... > >Like 75% of the "data" presented on the LUG, it's dogma, not photographic >evidence......again, although he's probably pissed enough, Erwin's findings >are undoubtably true, and valid for designers.....but to the photographer, >discussions of bags or flash techniques are infinitely more valuable.... > >Walt > > >> >> OK, I have the flame retardent Nomex cover on the keyboard. Go for it. >> >> Tom >> >> > >