Best manual fast 50mm prime that performs well on e-mount (with adapter)?

Started Oct 22, 2013 | Discussions thread
Carbon111
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Re: Best manual fast 50mm prime that performs well on e-mount (with adapter)?
In reply to turnstyle, Oct 22, 2013

turnstyle wrote:

I'm a bit concerned as to whether the Leica M-mount 50mm holds up on the NEX.

Did you see the samples here:

http://www.ronscheffler.com/techtalk/?p=224

I was a bit unclear about the Summilux 50mm samples -- for example, Sony's FE seemed better in the corners?

btw, any particular reasons you suggest Summicron rather than Summilux?

fwiw, my expectation is to use the 50mm lens as effective 75 on my NEX7, and 50mm on A7/A7r (or some other full-frame body if somebody makes one).

Pictures of a foggy, rainy day aren't that helpful. Those were shot to detect vignetting and color shift.

Anything under 35mm should work fine unless the rear nodal point protrudes too much, not usually an issue on normal-focal-length lenses.

The Summicron is a fantastic performer and f/2 is still plenty fast (especially on FF).
In my experience, the published MTF charts are right on: http://us.leica-camera.com/assets/file/download.php?filename=file_5480.pdf

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Best Regards, James
http://carbon111.blogspot.com

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Leica M Typ 240 Sony Alpha 7 Leica Summarit-M 35mm f/2.5 Leica Summilux-M 50mm f/1.4 ASPH Leica Summarit-M 75mm f/2.5 +10 more
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