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Optics Theory - This forum is aimed towards the TECHNICAL side of photographic OPTICS THEORY. There will be some overlap by camera/manufacturer, but this forum is for the heavy duty tech discussions. This is NOT the place to discuss a specific lens or lens line, do that in the appropriate forum. This is the forum to discuss optics or lenses in general, to learn about the tech behind the lenses and images. IF you have a question about a specific lens, post it in the forum about that type of camera, NOT HERE.

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Contax G 21mm Biogon at f4
Old 12-29-2007   #26
Bob Michaels
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Contax G 21mm Biogon at f4



ContaxG Biogon 21mm. Only f4 and not wide open at 2.8 as requested though. I exhibit this printed 8x12 and it's damn near perfect from a technical standpoint. The edge detail by the customer's feet is amazing.
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Old 12-29-2007   #27
thomasw_
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I have seen some fine images with the ZM 21/4.5 by TomA. But I must say that the ZM 25 is sooo amazing as a wide lens that you should seriously consider it....at least check out some shots on the m-mount flickr grp bgreefore you pass it over. Money aside, I prefer it over the Leica 24 which is a great lens, especially if you shoot colour, but the ZM 25 is magical across the tones in BW. Truly a "wow" lens.
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