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| Re: Leica M8/M9/X1 Picture Thread |
Is your C-Sonnar optimized for f1.5 Edward? The sense I get from researching the lens is that a f1.5 optimized lens is great at f1.5-f2.0, but a bit of pain to use at other f-stops. My recently sold copy was optimized for ~f2.8 and was quite usable at f2.8 and up, but extra care was needed at wider apertures. Given the characteristics of the lens design, I suspect that Zeiss' decision to optimize the lens at f2.8 was probably makes sense as the best choice for most users, but for many it seems counter-intuitive.