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The following opinions have been automatically translated with Google Translate.
user52859
sent on October 01, 2014
Pros:Well built .autofocus ultrasound fast. Resistance to flare
Cons:Vignette at the corners. weight
Opinion:excellent in backlit autofocus medium fast and very defined already at f2.8 beautiful blurred and advice to those who do not want to spend too much for the nikon 24-70 (which is significantly higher than the sigma) only downside for me is that the corners presents a some vignetting (the first I bought was replaced because just unwrapped mounted af dead! !!!!!!!) rnIl front / Back focus is present and to consider
Pros:Value for money excellent, solid and well built lens, light, fast and accurate AF and good resistance to flare .. tell me if it is short;)
Cons:Slight vignetting at wide open under certain conditions
Opinion:Before purchasing this light I wanted to compare it between the sisters of different brand, at the end were the pros outweigh the cons and so I bought it safe to have made a good investment. In my opinion this lens is a general purpose always bring back, is excellent both for night shooting in low-light conditions during the day, open to all works very well even though in some light conditions there is a slight vignetting which I think is negligible . Many complain because it is not Tropicalised but for me it is not a problem when it rains I'm home! :) I've often used for wide-field astrophotography and are more than satisfied. Finally, also the cost is not bad compared to the renowned Canon's I bought used here on the forum at a very reasonable price, on a whim I would like to replace it with a Canon lens with the same focal length L-series, but I prefer to comparison keep my Sigma seen that the defects set forth are less or equal than Canon, so why spendmuch more?
Pros:quality / price ratio, aperture, AF speed, fairly light but well built
Cons:Sharpness in TA is not outstanding, AF accuracy questionable, 82mm filters
Opinion:I took it to need to have a zoom lens with a maximum aperture of 2.8 on the cheap and frankly the differences with the other lenses of the same type feels. I own the latest model, the one without the coating Sigma that you browse. to all you can use it to open but loses a little in sharpness, which is why the brand will change soon. The autofocus is fast but not as accurate in situations also quite normal focus is not accurate ... especially with poor luce.rnIn Ultimately, if you want to spend a little is fine but just spend a little more kind to the tamron VC and surely the result is different
Opinion:bought from a couple of months you use it regularly without problems do not buy it more 'just for the nuisance of the cap with lens hood attached and' almost impossible to put it on the first try despite what 'his work as the only doubt plays very well Charity held devalue too quickly and will probably remain and 'the only lens I purchased the non-canon
Pros:Quality / Price, sharpness, brightness and well built
Cons:MAF is not always accurate, not weather sealed
Opinion:Looking at the price difference from the same model Nikon I'd say it's worth acquistarlo.rnnon I had problems with front / back focus as read in many recensioni.rnora is also located at 550/600 € I would say that quality / price does its job very well . rnunica thing they could take better care of the lens hood is a bit'' toy'' with respect to the construction of the optics and the cap even that seems a bit fragilino.
Pros:Solid construction, resistance to flare, good sharpness in general (except at the edges to large openings), AF satisfactory
Cons:Slight vignetting, lack of tropicalization
Opinion:It 'a lens that I appreciated on Aps-c and I re-evaluated after being passed to FF.rnNitidezza very good in the center and f / 4 and up, it makes at its best between f / 8 and f/11 recovering almost completely even at bordi.rnLodevole crush strength to the reflections in the light. RNAF appreciable, fairly fast and with some difficulty only in areas with little contrast (defect of nearly all lenses). rnCostruzione well-made, solid, after 3 years did not play in the prayers, good grip to tatto.rnE 'my primary lens, excellence is not like other high-end products (Canon 24-70) clearly, but it costs much much less and this makes it, in my opinion, a very good product that must also be evaluated for its value / prezzo.rnSu focal intermediate consider the absence of the stabilizer is not conclusive, there was some help (I think the recent Tamron 24-70), but I do not feel that the mancanza.rnLente definitely recommend it to those who can not afford more expensive products.
Pros:lightweight lens, low distortion, high resistance to flare, flowing, there is little
Cons:cartoon wide open and not nitida.infiniti problems of front-bach focus and autofocus mechanical, optical gentle and non-tropical
Opinion:using this lens with professional bodies, in my opinion, shows all its limits .. f 2.8 morbido.i file is missing .. you have to close the incision at least up to 5.6 to start talking about sharpness vera.ecco then unnecessary to take this perspective to think to use it only af found delusioni.ho 2.8.vi give large as in the sigma 50 f 1.4 also that the autofocus has problems when you block and reassemble ... that does as pare.provata of old 5d and 1d mark IV . shipped after two days in Milan for huge front focus .. come back after one month .. it was just decent .. obviously sold now .. waiting I bought the Tamron 24-70 f 2.8 VC .. another world ..
Opinion:The objective is well built, but not weather sealed: in the copy I have only entered into a speck of dust which, although not visible in the shots, it's "annoying" to see. The optical quality is excellent and, considering the price, it is a valid alternative to the more famous Nikon and Canon that cost more than double. Personally I use it in many situations, from landscape to portrait passing through the street. The real strength is the maximum f/2.8 aperture that allows operation even in low light conditions. The best yield is obtained, however, with aperture f/5.6 to f / 9.
Opinion:What about ... provided that each of us is expressed in a very propia and then use accessories to ok in proportion to its equipment / pocket, this lens remains a valuable atterezzo to achieve what we have tried and liked. I think the article Juza explains mallet so many of my words, in the end I find this very good optics are fast, accurate and also very happy.
The following opinions have been automatically translated with Google Translate.
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