Archived posting to the Leica Users Group, 2004/11/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On 11/23/04 1:19 PM, "Frank Dernie" <Frank.Dernie@btinternet.com> typed: > I read this review also. They make a big point of the fact that they > were unable to get in focus shots from wide open lenses. In addition > the 15mm had the vignetting problem Henning found though the 12 was > MUCH better in (only) this respect. > In summary > 50 f2 summicron nothing at f2, poor at f2.8 excellent from f4 > 50 f2.5 CV nothing at 2.5 excellent from f4 (> Summicron!) > 35 f2.5 CV nothing at 2.5 excellent from f4 > 28 f1.9 CV poor at 1.9 excellent from f2.8 > 21 f4 CV good from f4 > 15 f4.5 CV average from f4.5 > 12 f5.6 CV not bad at 5.6 and f8 then deteriorating. > The poorest chromatic performance was the summicron. > > 1. Could the camera conceivable be in need for a minor adjustment? The kind when you wait while the repair person tweaks it and 4 minutes later your are out the door? 2. "nothing at 2.5 excellent from f4"?? "Nothing" means it's dead out of focus but stop down one it's sharp as a tack? Does not compute. Not buying it. The review that is. Make that a double negative. Not buying the idea of not buying. Mark Rabiner Photography Portland Oregon http://rabinergroup.com/