The Sigma 17-50mm f/2.8 EX DC OS HSM is a standard lens for APS-C, manufactured from 2010. The focus is done by Ultrasonic AF Motor (Ring-USM), it has image stabilization. The average price, when it has been added to the JuzaPhoto database, is 371 €;
169 users have given it an average vote of 9.1 out of 10.
This lens is available with the following mounts:
Canon EF: this lens is compatible with reflex APS-C Canon EF.
Nikon F: this lens is compatible with reflex APS-C Nikon.
Sony A-mount: this lens is compatible with reflex APS-C Sony A-mount.
Pentax: this lens is compatible with reflex APS-C Pentax.
Sigma SA: this lens is compatible with reflex and mirrorless APS-C Sigma SA-mount.
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Pros: Value for money, only paid Euro250 direct from the Australian Sigma importer with 24 months warranty. Silent AF on my copy, Fairly quick AF. Light weight with optical stabilization makes it easy to handle. Handy zoom range. Constant F2.8. Build quality good for the money.
Cons: Nothing for me.
Opinion: Great bang for you buck lens. Formerly owned the Sigma 18-35mm Art and I'd say this is almost as sharp but easier to handle due to the light weight and optical stabilization. Selling this lens as I am also selling my APS-C camera. I can only hope to find a similar quality and great value FX lens like this. Will be missed. From my copy I can thoroughly recommend this lens.
The following opinions have been automatically translated with Google Translate.
Pros:Brightness,construction,sharpness towards 50 mm,performance price
Cons:Autofocus with some problems with little light
Opinion:It's a few months that I use it, I'm really satisfied with the quality of the images it produces, the price is really good compared to even the nikon not even stabilized, the color yield I like, the sharpness good especially on the 50 mm even at ta, a little less sharp at 17 but acceptable. The brightness 2.8 to all focals is one of the highlights. One thing I noticed is that it focuses closer than the stated one and allows you to make nice macros given the 50 mm sharpness, despite not being a specific lens. I recommend the purchase also saw the good price also on the new.
Opinion:Purchased new with seals. I don't understand the sometimes negative reviews about this lens... The autofocus, for which so much is spoken, is quiet, precise and fast. To put it mildly, it is a performance between the Nikon AF-S and AF-P. The sharpness is noteworthy, because it is on par with their Nikon counterparts but they cost three times as much! The construction is very solid and robust. The weight is right. 600g: It should be remembered that having too light a grip in your hand leads to inevitable defects such as choppy. micromove and blur. It has no chromatic aberrations even in situations of very marked backlight/contrasts. The stabilizer is great and guarantees at least three stoppages advantage. It can also be used for professional use given the precise construction and reliability of the guineas and mechanisms. Rating: 10
Pros:Great all-rounder, constant opening great value
Cons:non-tropicalized, noisy stabilizer, loses sharpness at TA
Opinion:Great zoom all-rounder very bright. I used it on Nikon D7000 and it gave me a lot of satisfaction. Great for those who need a photo zoom in the interior. An important flaw is the fatoo that is not tropicalized: in fact I had to sell it because mushrooms were formed on the front main lens. Another small flaw is the noisy stabilizer even when it is not running (it looks like something has broken inside). If you can call it defect the zoom dial turns as opposed to the Nikons... I recommend it for those who have entry level SLRs since they have the internal autofocus.
Pros:Constant opening. Autofocus motor integrated into the lens and compatible with Nikon entry-level SLR cameras. Very, very limited chromatic aberrations. Focal excursion essential for a handyman zoom. Sharpness. Blurred acceptable for an economical zoom. Excellent price and performance ratio
Cons:Not frated if resting and stretching along the severity. The weight, then not so high for the quality that expresses, however, does not balance the reflex that do not have a solid grip (Nikon d3400 for example). Not tropicalized. Focus ring with excursion too short and not well usable.
Opinion:I use the zoom on Nikon d3400, and the reason for the purchase was to be able to shoot in the focal lengths that most use on APS-C (18mm, and 28mm) with good quality and wide openings. In the Nikon catalog I have not found solutions except at the cost of having to upgrade the camera body to preserve the autofocus. Excellent sharpness. Its best performance is between F4 and F 5.6 and between 17mm 20mm and 28mm. A possible defect of which it is important to be aware: the lens corrects many faults and this makes the image slightly flat in the subjects close together and with a little abrupt tonal passages. Obviously this is a compromise that I gladly accepted to have excellent flexibility, stabilization, and better quality of a kit lens at a very low price. No problem of back or front focus, precise autofocus in my case (I almost always use the center point or the automatic.) I would only replace it with a couple of high quality fixes.
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