Автор: geopal
Дата: 22-12-12 09:49
едно мнение от dpreview (който не разбира има google translate):
I've shot with the new Sigma on a D800E (and I currently own a Nikon 35/1.4G), and I'll say this:
1) Nikon better get off their, uh, donkey and get better with their AFS motors in their fast wides. The Sigma AF *blows* away the 35/1.4G's and it ain't a close race
2) I've never been a Sigma fan - but this one is something I very well might buy (that was the reason I evaluated one, to see if it's worth exploring or purchasing). This is an impressive lens in SOME but not ALL things. The Nikon isn't going into the trash can yet.
3) Wasn't that impressed with the Sigma at F/1.4 - oh sure, technically it's a bit sharper than the Nikon at F/1.4, but neither lens, on a D800E, is sharp enough to be really usable for my quality standards. F/2, however, the Sigma gets pretty serious pretty fast. If you want the sharpest IMO 35mm lens at F/2 - F/4, the Sigma is probably it. Color me impressed.
4) Wasn't blown away by the Sigma at 5.6, but I have to be up front and say I'd need for time and a better day to have more of an opinion. It's very very even in terms of sharpness across the frame, but my early opinion is that for landscape use a Zeiss 35/2 Distagon (that I recently shot as well) or the Nikkor might be still a preferred option. But I could change my mind on this one after some more evaluation, if I get the chance to use one again, or if I end up buying one, which I might.
5) The Nikon 35/1.4G has two things going for it that the Sigma doesn't: VASTLY better bokeh (frankly, the Sigma bokeh is freaking BAD, as in horrid, as in rough, and there just isn't any sugar coating around that - we see the typical tradeoff for sharpness here), and I think the Nikon (as well as the Zeiss) coatings are superior, both of the latter lenses having a bit more global contrast, although I haven't reached a final opinion on that - again, I need another bit of time with one.
The reason I'm interested in the Sigma is actually for studio work when I need a 35 for some things -for this sort of thing I don't care about bokeh and just want a faster autofocusing lens that is very sharp edge to edge, and in this type of work, the Sigma might very well edge out the Nikkor. What I don't know yet is whether the Sigma can hang with the Nikkor at distance/landscape work - in the real world coatings often make more of a difference than how the lens does on the test chart at close range in nice, non-flaring light. No doubt though, this Sigma is a contender. It's not perfect - and anyone who values pictorial image quality and bokeh for say, F/2 - F/2.8 street photography may very well NOT like this lens, while those who value sharpness and don't care about bokeh and OOF rendering at those same apertures might absolutely fall head over heels about this lens. As I always say, we have to move beyond just the test charts when evaluating the lens. Still - this thing is a nice lens. That I'm sure of. Whether it's the right lens for every photographer/scenario/situation or even for me, I don't know yet.
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), потвърждението на фокуса работи прекрасно. 
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