Archived posting to the Leica Users Group, 2007/07/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hoppy I've read that, too. Concerning the out of focus rendering, the author refers to the 35 asph Summicron or 35 asph Summilux. I believe him that the Biogon's bokeh is smoother than the one of these two Leica lenses. The traditional gaussian design is more suited for soft bokeh than aspehrical design. But he did explicitely not refer to the 35 pre asph Summicron which is probably still king of bokeh. What keeps me back to prefer the Biogon over a pre asph 35 Cron (a used sample is in the same price category), is the size. The Biogon is too fat for a 2.0 lens. It's even a bit bigger than the 35 1.4 asph. As for the resolution, it's been proven several times that the Biogon 25/2.8 has more resoltion than every other M-mount lens ever had. The only problem there's actually no digital sensor which can capture such details. Didier >Interesting article linked to the new newsletter from Zeiss Lens News. > >A Californian fine art photographer writing on testing the Biogon 2/35 ZM. > >He is very enthusiadtic regarding his loan lens from Xeiss. > > > >This gentleman extols the superior bo-ke from the Zeiss product compared to >the "competitor"' > >"The 35mm focal length lens that I have used in recent years has been >considered state of the art for rangefinder lens design by the >use of its aspheric lens element. It is well regarded, but many >photographers have questioned the "bokeh" of the lens in having >significant visible "jarring" fore and aft of the focal plane as a result >of the exotic aspherical modelling". > > > >Also > > "The most obvious characteristic I saw in the negatives was decisively > more resolution and micro-contrast over the competitor's >lens. My assumption in photographing with the competitor's lens was that my >images were bandwidth-limited by the film emulsion >response. I was extremely surprised to see an obvious and substantial >increase in performance with the same film emulsion when using >the Biogon T* 2/35 ZM." > > > >Interesting. I note also for film SLR folks that their manual focus range >now includes K mount as well as F and M42 > > > >Cheers > >Hoppy > > >_______________________________________________ >Leica Users Group. >See http://leica-users.org/mailman/listinfo/lug for more information