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35mm Lens for M9, which one to choose?


skuromis

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Sorry, will have to check, once I'm back home.

 

here is one example (showing also the scratches). the darker one coming out of the raw file (cooked by aperture) and the second one I have corrected by increasing the exposure with the warm/ cold view, just before the highlights start to blow.

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The camera meter reads the actual light transmitted by the lens. There are no electronics or mechanical linkages to go out of wack. There is no way one lens can under expose and the others ok. EXCEPT if the actual light transmission is lower at the same stop as other lenses and you meter through a Leica and then change to Zeiss and not remeter. If you were to meter a leica and Zeiss on a grey board covering the whole metering area, the Zeiss may require 3.2 or 2.8 rather than 4. Leicas stops are very accurate. Do not use the widest ones for the experiment.

 

There is also the possibility the aperture on the Zeiss is not properly calibrated.

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As you are talking about lens for M9, the Summilux 35 1.4 ASPH is the one too go. With M9's limitation on high ISO performance, that "only" one stop from f2 to f1.4 would greatly make it all around lens.

I have a 35/1.4A and a cron v1, this is what I can tell from my own experience.

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The camera meter reads the actual light transmitted by the lens. There are no electronics or mechanical linkages to go out of wack. There is no way one lens can under expose and the others ok. EXCEPT if the actual light transmission is lower at the same stop as other lenses and you meter through a Leica and then change to Zeiss and not remeter. If you were to meter a leica and Zeiss on a grey board covering the whole metering area, the Zeiss may require 3.2 or 2.8 rather than 4. Leicas stops are very accurate. Do not use the widest ones for the experiment.

 

There is also the possibility the aperture on the Zeiss is not properly calibrated.

 

Thanks! It actually made me think, whether the metering could be tricked by the strong vignetting? But then, this shot was taken with 5.6 or even more closed...(not sure anymore)

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