Sigma 17-50mm F2.8 EX DC OS HSM

Announced Feb 20, 2010 •
Zoom lens | Canon EF, Nikon F (DX), Pentax KAF3, Sigma SA Bayonet, Sony/Minolta Alpha DT

This lens was recommended to me by more than one review and person so I've always wondered about it. I've tried most of the various Nikon kit lenses to death and I figured it was time for a fast zoom, and the Sigma does not disappoint. First and foremost the lens is very sharp. It needs -6 adjustment on my D7000, don't know who to blame the camera or the lens. Anyway once adjusted I try to shoot at f/4, which is noticeably sharper than 2.8. Most tests tell you 2.8 is not that sharp but ...

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I was excited to try this lens.  Pics that others had taken with it looked really good to me.  The lens would not focus though on my D7000, at least not with the viewfinder. It seemed to focus okay using live view, but it would not using the viewfinder.  Really took the wind out of my sails.  Live view is too slow to be practical for me in a lot of situations.  I needed it to focus with the viewfinder, but it was terrible.  Back-focused terribly.  Off the charts bad.  It was unusable.  Could ...

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I used this lens for the first time on a road trip through Washington and Oregon with excellent results. The quality of the image is equal with the Nikon lens I have. As far as I can tell there is no vignetting at the fringes. The AF is a little slower than the Nikon but, it wasn't anything I couldn't handle. Used this lens in low light and the images came out great. For the price, I would say that this is an excellent buy and an excellent product for the amateur photographer.

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Well, it's not what I expected. The build quality is nice, but the focus is loud (a stuttering grinding noise), there's shaking inside the lens, the lens hood is super loose, and lastly the zoom ring makes a screeching noise. It's no L glass build quality, but I wasn't expecting that either.

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Just a note of caution for potential buyers. On my Nikon D7100, and on a D7000 & D3200 i tested it so far exhibits an OS bug : OS is constantly activated. The OS switch has no effect (function). This comes with a series of side-effects : Battery drain, possible tripod use issues, image playback scroll is hindered, image preview auto-off is hindered, possible sharpness issues from unwanted stabilization with high shutter speeds, etc Also HSM is not full HSM: you have to switch to M in order to ...

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I like this lense. Lots of photographers avoid it, but video quality is great. It also gives a nice bokeh if you shoot wide open and it it is quite and fast. I use it for all my wedding videos and it is OK lense to have. No comparisson to small nikkor 35mm 1.8G thou You may wish to check some of my videos shot with this Sigma 17-50mm 2.8 http://tvc.kz/videosemka-portfolio.html

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UmCamera
 

for cropped frame it is a beautiful lens.. and its distortion on wide angle if pretty nice when you closeup a group

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I bought this lens with the SONY A- mount lens mount. It's amazing pictorial glass I wanted it for use in their NEX7 but there is a big problem! The lens can not AF with LA- EA1 reduction in broad focus ostri well but the focus of 50 mm are at greater subject distances out of focus . In AVH service I was told of the lens in this configuration incompatible with SONY NEX7 . That same lens I tested the SONY A57 with the body 's AF 100 %. With the reduction of the LA- EA2 translucent mirror lens on ...

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Nemsi
 

I've not bought it yet but I'd love to. ..done a bit of research and looks awesome: Sharp images (except for the extreme corners at wide angle) and light transmission in overall A fine piece of glass (FLD) Fixed aperture at 2.8 (great thing for low light conditions) OS is rumored to be excellent I wouldn't mind a bit of vignetting at wide open (easy job in Lightroom) I'd say it's ahead of Tamron's 17-50mm ...very reasonable for it's price ...I guess it'll work fine for my D5100 I rate it ...

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likeafoxow
 

This is a good lens. There are many pros about it - like good weight/balance, solid construction, excellent sharpness, accurate and fast focusing in good lighting - but there are some issues as well - like no full time manual, and inaccurate and slow focusing in poor lighting. Overall, it behaves well for a standard zoom. I don't expect this 600 dollar lens to blow me out of the water, but it has delivered for the most part. It is a much better value than the 1000 dollar Canon counterpart, ...

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