Archived posting to the Leica Users Group, 2005/03/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]You said it yourself, Doug. It's silly because they are not unusable, contrary to your original statment. If I were to follow your logic, all zooms are unusable (which I happen to think they are, unless they have a maximum aperture of at least 2.8. Anything slower is unusable, regardless of lack of light falloff or fallout). Best, Daniel Doug Herr wrote: > on 3/15/05 11:59 PM, Daniel Ridings at daniel.ridings@edd.uio.no wrote: > > >> >>Doug Herr wrote: >> >>>and >>>unlike many of the competitors' zoom lenses the Leica zooms are fully >>>usable >>>at maximum aperture. >> >>That was a silly remark, Doug. I guess Canon's lenses are unusuable at >>maximum aperture, since I know that Nikkors are. Are there any other >>competitors. >> > > > Daniel, > > Many comparison tests have shown that C and N zooms, for example 80-200 > f/2.8 types, have significantly more light fall-off and flare at maximum > aperture along with less-than-optimum image detail. That's not the same as > unusable, it means that their use is restricted at maximum aperture unless > you are willing to accept these optical artifacts. The same tests show far > fewer optical artifacts in the Leica 70-180 APO. Why is this silly? > > Doug Herr > Birdman of Sacramento > http://www.wildlightphoto.com > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information