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The following opinions have been automatically translated with Google Translate.
Pros:Mounted on a7III goes which is a pleasure. Light and very sharp, in some cases even more than the 45mm 2.8 sigma that I also own. For me the 28mm of minimum focal length is more than enough for an all-rounder, I associate it with the fixed 24mm or the 17-28 and the problem does not arise. I prefer so rather than having almost a kilo all mounted in the room
Cons:Not stabilized
Opinion:Already written everything in the pros. I am very happy with this all-rounder, compact light and quality. That's what I need to shoot at an event. If I had to shoot only with a focal length (and I love fixed) I would use the 35mm, so I rarely feel the need to shoot at less than 28mm and indeed in some respects I prefer not to go below. If we then put that these 4mm less are equivalent to almost half the weight compared to the older brother, I have no doubt about the choice made.
Pros:Compactness, lightness, build quality, optical quality at normal focusing distances, constant aperture at f 2.8
Cons:Optical quality at minimum distances
Opinion:It is an excellent all-rounder lens that sacrifices the lower focal length to achieve compactness and lightness, without sacrificing the build and optical quality. 28 mm is not the maximum for a wide angle, it is a bit the minimum union, but in most situations it is enough. Personally if I move with the complete kit I also have in my bag a fixed 21 mm f2.8 if just 28 are not enough for me. In any case, the coupling weighs less than a 24-70 f2.8. The optical quality expires significantly if the minimum focusing distance is to be used, especially at 28 mm at open apertures. But it is not a macro lens and it can be there. As for the hood, I too at the beginning had difficulty in diseading, but then I learned to hold it only in correspondence to the short petals and it comes away that it is a pleasure. The excursion in length is very small, which I very much like. The focus and focal variation rings are in the right place, at least for me, and are of remarkable fluidity and precision. There is the manual focus on/off button, very useful for me. To recommend.
Opinion:Excellent lens that goes perfectly with the concept of mirrorless. Excellent build quality, the rings are smooth and the lens is light but robust. Optical quality is at very high levels on every occasion; the AF is fast and I found no difficulty even with low light. Goal to recommend to everyone, a great all do to always take with you.
Opinion:I had been waiting for him since February, and i finally got it. Immediately a nice feeling of robustness while maintaining an absolutely acceptable weight. I think that for those like me who have the Sony a7c and therefore look for compactness and lightness without sacrificing quality, it is an almost obligatory choice. I did some first backlight tests and I'm totally satisfied with that. I wait to test it even for night photos, but the premises are very good.
Pros:Lightweight and compact, excellent optical quality
Cons:At the moment I don't know
Opinion:I've had it for a few days but the feeling is very good. Smooth rings with the right clutch. In my gallery I posted a couple of photos with slight post. I would say great in the middle on all the focal points, very good even at the edges. I confirm the somewhat cumbersome lampshed to insert. I had the Tamron 28-75, but that gives me the impression that I'm more incisive. Objective update, I used this lens during the Alba Rally on June 12.13; I have to say that it is a lens that has further convinced me for the overall quality, for the resolve in the photos and above all for the speed of the AF Photographing sports such as cars is always a complicated thing and I have to say that some photos turned out of focus but many came in an exceptional way , so I can only confirm the goodness of this lens In the galleries there are several photos I posted of the event
Cons:Lampshed difficult to insert and remove, autofocus good but not at sony lens level as it suffers with little light
Opinion:The choice to buy a Sony Alpha 7C is naturally aimed at those who want a compact Full Frame. As a result, an attempt is being made to identify good objectives with a pushed but at the same time compact iris opening. It is still almost impossible to satisfy this research but the Sigma 28-70mm with constant f/2.8 goes very close and helps to make my A7c still a beautiful small Full Frame. The Contemporary series is not the Art series so I expect a slightly lower yield but of course it is the price to pay to have a lens that is in the palm of a closed hand. Very very satisfied.