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The following opinions have been automatically translated with Google Translate.  | sent on November 29, 2018 Pros: Sharp sharpness from 1.4, neutral colors, professional construction, autofocus very precise Cons: Weight and footprint but it's worth it Opinion: I was undecided for a while, party from the Nikon 16-35 F4, which I reviewed and considered a very good lens, I was then undecided what to take between the Nikon 20 1, 8g and this Sigma 20 1.4 ART to have more brightness than versatility, well I tried them both in store and out and I Chosen the Nikon 20 1, 8g for the lightness and the little footprint, glad I arrive home out of curiosity I open the files downloaded from my camera of the tests I did when I was in the store and.... I was appalled!!!! The Sigma 20 1.4 won in all, I only snapped at 1.4 and F2, the sharpness of the tiny details from afar was impressive, while the Nikon was great starting at F2,8 Morale? I came back the next day, tormenting me at night, and I replaced the Nikon with the Sigma. I confirm the really high quality of this lens, very sharp already at 1.4 not to be believed, neutral and beautiful colors, negligible dystrophy. If you don't fear weight and clutter, I highly recommend it. |
  | sent on September 26, 2018 Pros: Superb AF, Fuzzy doughy, aperture, minimum distance of Mesa to focus Cons: For me no One Opinion: A lens that deserves the A of Art. I have this that, together with 24-35 and 85, gives images of real colors, beautifully contraed and saturated without distortion. Has character, stands out in events and weddings, in the dark takes power and makes you think that there are no other objectives for a very characteristic reportage. It is not for everyone, it needs to be trained, also because it has a lot of personality, along with a vignetting marked even with a little closed diaphragms. I see it suitable to describe very well situations from reportage, as mentioned above, but also photos from inside and portraits set. You have to prove it, your pound of weight has a lot to tell. Impeccable in the mass fire, accurate and fast from fear! |
 | sent on March 26, 2018 Pros: Sharpness, image quality, color rendering, blurred from fairytale Cons: Perhaps the weight Opinion: This 20mm is really extraordinary. A f 1.4 gives a new creative dimension to the portrait set so much that sometimes I prefer not to apply the correction profile in post production. Closing the diaphragm becomes very sharp at the edges until you get to f8 in which there are no differences with the central area. My copy focuses properly |
 | sent on November 18, 2017 Pros: Sharpness, openness, blurry, constructive quality, versatility and much more. Cons: Weight, lack of screw filter attachment. Opinion: This lens really is ART: with this focus and this opening art attack is guaranteed! Let's start from the counter: the weight. But guys a 20mm 1.4 could weigh a lot more. Filters: With all this blur, the lens is not really born for landscape, so it's a counter but not too much. Let's just say that I used this lens mainly with 5dmk4, so canonists take note of what I'm going to say to you - although the sigma dock for calibration, the lens did not ever need adjustments, never miss a shot ! Chapeau! The sharpness already in TA is thrilling on the whole frame, if you even close a bit risking to cut it! Vivid and neutral colors true to the true, stupendous; creamy blur as well as more focal portraits; the pasta of the image is really superb, movie I would say. TA vignetting acceptable for opening, very cute for my taste. Minor distortions and blah blah blah, what matters is the character, and thisSlim has to sell, Good ART at all! |
 | sent on July 26, 2017 Pros: Sharpness, aperture, wide angle Cons: Af incoherent, heavy Opinion: I was satisfied with the test case at home, a lot, I made a milky fast way, very happy, suffering some coma on the edges of the stars, but imperceptibly if it does not enlarge much, the problem arrived during the wedding 4 hours ago it worked perfectly, perfect fire at 1.4, then without a reason I was wrong all the fires with subjects not very close, about 5 meters away ... pity, now I try to fix it with the Dock, optically it is very good, the Mass In the fire was precise and fast, pity decided to go crazy at some point |
 | sent on June 18, 2017 Pros: Very good optics, at least on d800 and 810. From optical point of view it's great. Both as lenses and as construction. Price advantageous. Pictures of the starry sky pay off, alone, the expense and sacrifice of carrying it on the bag. I also have a Nikkor 16 35 f 4 but this is a bit more opaque and does not distort. Brightness is great. It does not dominate. This is a very good thing, in my opinion, unappetizing only for the false filter problem. To have! Cons: Goofy and heavy, can not use filters, Opinion: It is highly recommended if you are brave and not in the brand blazon. Sigma, however, is no longer the one in the back. It now produces lords targets! The commercial results also speak for themselves. The problem of autofocus did not appear in my specimen. I think it's an internet legend since I have the art series 50 on 20 and 85 1.4 and on d 800 and 810 are perfect as far as focusing. I also own the Dock but I did not have to fix it. The 85's then a lightning strike is very accurate because the engine has been improved |
  | sent on September 11, 2016 Pros: Brightness for a 20mm, sharpness, low chromatic aberration, build quality, autofocus, minimum focusing distance, price. Cons: Weight. Opinion: I bought this lens mainly for photos the night sky as a bright 20mm is the perfect focus for this genre, but a 20mm f1.4 is a goal that must absolutely avere.rnFatte the first tests in the night sky I noticed a blurring problem the TA in the central area, so I sent the lens care. After a few days they sent me back and told me that it was only a firmware upgrade problem: redo the tests in the sky and I can see that the central defocus was risolto.rnLe stellar images are of excellent quality already at TA in much of the frame if you exclude the extreme edges, and comparing them with those of the Canon 24mm f1.4 L II that I gave away to take the Sigma 20mm f1.4 art, the latter clearly wins despite having a field of about ten degrees higher and price around the meta'.rnMa this goal can not be limited only to the astronomical photos, in fact for general use by day or in poor conditions freehand light I could appreciate both the SFOCato selective in TA (also because of its minimum focusing distance) and at smaller apertures. rnih anyway always stands out its excellent sharpness and also the autofocus works in a manner acceptable in conjunction with my 6D.rnPer end, a lens of nearly a kilo but that 'does not make you feel the weight when you carry with you. rnrnrn |
 | sent on July 11, 2016 Pros: value for money from fear good materials and good yield Cons: weight (if you can call a counter) Opinion: I bought this lens because I needed an angle with a good opening and I think I did centro.rnSi performs very well both at night and during the day with an explosive sharpness already at full aperture, the bokeh is delicious and the color rendering is realtà.rnIl faithful to my copy is free from defects with the focus and I must say that af is very responsive and preciso.rnLa material quality looks good, the picture may look like a toy but live is another matter, the rings flow well and are also those very precise.rnLa a minimum focus distance allows to realize good magnification with good sharpness even if the lens is not designed for quello.rnPer as for night pictures coupled to the sensor of my d750 sharpness is explosive, the stars have a light coma at the corners (only visible when zooming a bit) and there is a slight vignetting bordi.rnPer to me highly recommended! |
 | sent on April 03, 2016 Pros: 20mm F1.4 Virtual Cons: unusable Opinion: I 1.4 Article 24, a blade throughout the frame already in TA. I 'came out this supposed gem and made me throat that 10 degrees more. Not the 'I never did, son took a few days to realize the disaster. From the pictures on this show that was my example to be a "ciofeche". I thought that with the series art Sigma had a more efficient quality control but that obviously is not. Luckily the RCE of Rovigo gave me back my "old" 24 which had remained unsold and now I'm happy; I was left with the regret but do not feel like risking it again. D 'now on never Sigma without having them tested thoroughly. |
 | sent on December 24, 2015 Pros: Uniqueness 'of the combination focal / brightness' - Sharpness even at full aperture - low chromatic aberration - construction - Price Cons: absence tropicalization - weight - inability 'to mount circular filters Opinion: And 'my only "Sigma" between the various fixed I have at home (all Canon). For now I'm glad I did. Nothing to do with the Sigma than some time ago. Aesthetically and 'nice, although not me crazy parts of glossy plastic that are the beginning and end of the barrel. But tastes are personal. The lack of weather sealing and 'a flaw. Optically works well, I have not noticed particular dominant color (which Sigma has always had a little 'yellowish, but also Zeiss is more blue). To be a 20mm you can also have a great blurred, knowing handle in some situations. 'Cause I bought it (having among other things the 24 II f / 1.4 Canon). 'Cause for the special needs'm trying to find a short throw and bright for photos the night from an airplane. Therefore, with the inability 'to mount stands or other supporti.rnUn'altra idea would be to buy a Sony Alpha with the sensor stabilized. It 'possible' to quale I'm thinking, giving away the 6D and replacing it with a Sony.rn |
 | sent on December 18, 2015 Pros: Sharpness in TA, fast autofocus in low light conditions, slight chromatic aberration, exceptional construction Cons: Weight (even if mounted on D7100 with battery grip is balanced well), lightweight front focus proper room not just removed the lens from the box in two minutes. Opinion: It 'the first lens of the series Art I allow myself and it' was love at first sight. I have already 'excellent optics such as the 85 1.4 and 50 1.4 Sigma always professional series just before the Art and I have to say that results like I had not even ever seen. And 'crystal clear, it has a focus swift and accurate (I tested it last night at a dinner by candlelight and without use of light focus began to fire at a rate' 5/6 times greater than 50 1.4 who also missed the fire several times) .rnIl bokeh and 'pleasant to be a wide angle and isolates the subject very well if you approach a bit. As already 'mentioned, use a body Dx then the focal and' really 'about 30 mm but for the type of photography that interests me and' perfect: environmental portrait and events genere.rnL'ottica you see it right away, and ' very fine, is perceived strength as soon as you grab, but must 'be a little bit careful because the optical element and the front'; pesantuccio and is likely to slide out of the hands as you assemble it. I do not know what else to add except that probably will not be 'the last optic Series Art I'll buy'. Highly recommended although it is not exactly cheap (845 euro). Worth every penny. |
 | sent on December 16, 2015 Pros: Construction, fast autofocus quiet and precise, Sharpness also TA, no chromatic aberration, good resistance to flares Cons: No tropicalization Opinion: A lens majestic in every way, worth all the money spent, af fast and the manual focus ring for smooth, but without any kind of game; the lens is already clear at RT. construction of durable plastic and metal, maf minimum distance of only 29 cm, which on aps become little more than 8 cm; being my first professional lens I have no means of comparison but I'm sure that even a professional accustomed to handling an optical certain level it would be satisfied, too bad for the lack of beautiful tropicalizzazione.Molto the protective bag in which Sigma sells its objectives, no doubt SIGMA has earned quite a pollicione in UP with this view, does not present (at least as for my model) issues frontback focus or focus wrong, indeed this is always accurate and swift, sharp eccellente.rn |
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