tsdevine
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 Sigma 28-45mm f/1.8 DG DN Art Prime Comparison / Image Thread | |
Yes, you are right......I don't do much of that type of shooting.
We have some other people posting samples here from the lens. Over time hopefully we'll see more.
While the subject matter and style of my shooting doesn't lend itself to your desired usage, I will say that I think your assessment you surmised in an earlier thread will probably turn out to be accurate.
Steve Spencer wrote:
tsdevine wrote:
What samples would you like to see? Not making any promises, but if the opportunity presents, I can provide more. Just want an idea of what you'd like to see.
Logically I would compare it with the Sigma 28/1.4, CV 35 APO, and CV 50 APO, like I did in the first few posts in this thread. I have more apertures for those test shots, but didn't post them. I assume it's not just different apertures you want to see, but also different backgrounds or distance to subject?
I could also compare it to the Sigma i45 (whether or not that makes sense...but bokeh is one of its strong suits.)
Steve Spencer wrote:
I generally want a fast 28mm or 35mm AF prime that I can use when I want to take portraits indoors from close quarters. For me that lens needs to be reasonably sharp from f/1.8, and for me it seems for this lens that will not be a problem. It needs to have a wide aperture, and for me f/1.8 is wide enough. I also want to have reasonably good bokeh, and for me I think this lens will be fine. It seems to have a bit of outlining but not too bad, and it has very little axial CA in the bokeh, and the vignette is low enough that it doesn't cause major issues either in cat's eye shaped bokeh balls that extend into the center of the frame or in creating too much swirl. I don't think the transition zones are too harsh either, but I would like to see more samples of the bokeh, before I am sure on this last point and more samples in general to get a better feel for the bokeh.
For me it seems that this lens can replace my wide AF prime and I think it is not just as good as, but for me a better option than any prime in this range. For example, at 35mm, where this lens appears to be at it very best I think it has better bokeh than the Voigtlander 35 f/2 APO and almost as good CA control and sharpness. It has at least as good and probably better sharpness than the Sigma 35 f/1.2, and bokeh that is better in some ways (less CA) and worse in others (not quite as smooth) and it is not larger. Compared to the 35 GM, it has almost as good of sharpness and to my eyes better bokeh with less CA, better transitions, and less problems from vignetting. I like it better than the Sigma 28 f/1.4 Art as well, with that lens' only advantage being the wider aperture (which is not unimportant) and being slightly smaller, which doesn't matter to me as they are close enough in size. For me it seems this lens will be better than any 35mm or 28mm for my purposes. That it covers both of those focal lengths is a nice bonus and that it covers 45mm as well is another bonus meaning I don't need to crop when I want a more normal perspective with this lens. All in all, it is a really strong offering and Sigma has really showed their chops in producing it.
Hi Tim,
No need for new tests as you have done a huge amount already and what I would like to see are things I think you don't typically shoot. I am particularly looking for examples of portraits from fairly close distances and confined spaces. For example, it was my partner's birthday this weekend and I think this lens could have been good for pictures of her blowing out candles on the cake and portraits of the family members there, etc. and it is bokeh in those situations that I am most interested in seeing. Fred sometimes has such shots in his reviews and I find them useful. I am sure such samples will emerge over time and there really is no need for you to do them unless that is something you would shoot already.
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