Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Canon Digital DSLR Camera - International Version (No Warranty)

This lens is a great product. Specially if you are just an enthusiast looking for a fast lens and not wanting to pay for professional grade glass. f2.8 is awesome (nice bokeh). The only star Im taking of is that the auto focus is REALLY noisy. I normally take video and edit them to have music, so it doesnt affect me, but if I need to record dialogue in a moving subject, the awesome dual auto focus on my Canon SL2, with this lens, results in an awful continuous clicking sound. Yes, Im aware this isnt a video lens, its not like the Canons new STM lenses (and its even louder than the USM ones), but its noisy. Unfortunately. Besides that, its the best lest to upgrade and start playing with photography and videography.

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Got this lens for portrait work. Is very shaper and fast focusing. Downside is it is very loud when used for video. All of Sigmas older lenses have this problem. Great overall lens, big improvement over the kit 18-55mm lens.

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I really love this lens as a way to dive into photography. Its a moderately lightweight to travel with. The auto focus works generally well in well-light environments, but suffers in darker settings. The colors dont really pop with this lens but if you shoot raw you can extract them no problem. The edges arent the smoothest, however not noticeable when viewing the photos as a whole. Overall I enjoy using this lens very much.

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I was so excited because I was finally going to get a camera that makes the background super blurry, so the pictures would look a lot nicer. I mean, the background is a little blurry but not as much as I hoped.... I noticed that this lens can take crazy wide shots, which I really really like. You could be up close to someone taking a picture, but if you zoom out, all of a sudden you get the entire room in the picture, yet youre not even far away to get the entire room. I dont even know how its possible but its crazy awesome!! I do recommend, just wish the background was more blurry.

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Solid lens.optical image stabilization is a bit noisy when handling,(floating elements)?. It performs perfectly in low light.auto focusing is decent,but it is external ,so sometimes your fingers get in the way while its focusing.all in all its great lens to keep on your camera.

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A bit slower focusing, compare to canons lens...But good enough

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