Sonnar2
Well-known
Just give it a try. I returned my 50/3.5 not because it wasn't sharp but because I expected it to be "one of the sharpest 50's" (as some people's sayings) which it wasn't. I have a lot (no: say: some!) 50's which costed me half the money of the 50/3.5 which are sharper.
http://www.photozone.de tested the C/V 50/3.5 and some other M-mount lenses (Leica Summarit-M, Zeiss Planar). Although it was done on APS-C with a SONY NEX it's interesting. I use this camera too and my experiences are that sharpness is the same thing on film as on the APS-C (with M4/3 it might be completely different). The only thing is that some lenses which are *very* week in the edges with film can be quite usefull on APS-C, as long as center resolution is good enough an no CA present - which is the case i.e. with the vintage Canon 35/1.5. With the Heliar 50/3.5, center performance (of course) *was* good. But for a landscape lens I just expect no blurry twigs on the egdes at f/4. Otherwise, I can use my CANON 50/1.4 RF, which is crisp all to the edges, has 2 stops reserve and is cheaper to buy.
And, sorry to say, that edge blurryniss is quite typical for quite some C/V lenses. They are too much pushed for center sharpness and contrast and don't qualify for work whereas resulotion is critical. If you want a sharp lens for landscapes made by C/V you probably better take a Nokton 50/1.5...
http://www.photozone.de tested the C/V 50/3.5 and some other M-mount lenses (Leica Summarit-M, Zeiss Planar). Although it was done on APS-C with a SONY NEX it's interesting. I use this camera too and my experiences are that sharpness is the same thing on film as on the APS-C (with M4/3 it might be completely different). The only thing is that some lenses which are *very* week in the edges with film can be quite usefull on APS-C, as long as center resolution is good enough an no CA present - which is the case i.e. with the vintage Canon 35/1.5. With the Heliar 50/3.5, center performance (of course) *was* good. But for a landscape lens I just expect no blurry twigs on the egdes at f/4. Otherwise, I can use my CANON 50/1.4 RF, which is crisp all to the edges, has 2 stops reserve and is cheaper to buy.
And, sorry to say, that edge blurryniss is quite typical for quite some C/V lenses. They are too much pushed for center sharpness and contrast and don't qualify for work whereas resulotion is critical. If you want a sharp lens for landscapes made by C/V you probably better take a Nokton 50/1.5...
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