Archived posting to the Leica Users Group, 2009/05/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]And only f8, too! Could be differences in tolerances. The LTM 15 I tried seemed to be slightly decentered - wonder if it was the lens itself, or a crummy adaptor? On May 22, 2009, at 1:35 PM, Henning Wulff wrote: > Optically, they're identical. Only the mount is new. However, the > old one was one of the first two Voigtlander products Kobayashi put > out, and the quality control has improved. Vignetting is > unfortunately one of the consequences of the register distance and > lens size, but it is quite good considering price. My previous 15's > were the Hologon and the f/3.5 Nikkor. Both had their uses, but > have been largely superseded by modern designs. The 15 Hologon: > THAT has vignetting! > > At 1:16 PM +0800 5/22/09, Thein Onn Ming wrote: >> From my limited experience with the old one, the new one is even >> better. There's some falloff up to f8, but nothing you can't fix >> from RAW (if shooting digital). Center zone is very sharp even >> wide open, and the edges get that way from 5.6. Not much CA to >> speak of, and the sunstars are nice and pointy. I guess f4.5 isn't >> that hard to design for. Objectively, at 4.5, it's about the same >> as my Nikon 14-24/2.8 at f2.8 if you ignore the vignetting. Pretty >> impressive when you consider it's about the size of the 14-24 rear >> cap alone, and 1/4 the price (in my neck of the woods, at least). > > -- > > * Henning J. Wulff > /|\ Wulff Photography & Design > /###\ mailto:henningw at archiphoto.com > |[ ]| http://www.archiphoto.com > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information THEIN Onn Ming *photohorologer ming at www.mingthein.com www.flickr.com/mingthein