Reviews and Problems with Sigma APO 17-50mm F2.8 EX DC OS HSM
Showing 1-10 of 25
Two defective units (now three!!)
28 February 2013
Summary: I bought this for my Nikon D7000 and specifically so I could photograph an upcoming indoor sports event my sons would be in. The first one arrived. Build quality seemed good. However, it would not autofocus - it would just hunt forever and never lock on. I exchanged it for another one which arrived the day before the event. It did exactly the same thing. Lighting levels were irrelevant, neither indoors nor bright outdoor sunlight would allow it to lock on.
Summary: Purchased to replace the kit lens for my Canon T1i. It would focus in really bright light but even well lit indoor conditions it would hunt without focusing. Given other reviews discussing the horrors or Sigma customer service I simply returned the lens for a refund and sadly concluded that I'll have to pay for 1st party lenses moving forward.
Summary: Bought this Sigma and the Sony at the same time. Was hoping the Sigma would do the job on my Sony A77, A55 and A350. What a hideous lens.And I own 10 lenses, mostly Sony but one Tamron. This lens brought me to tears. No clear cut way to attach (no orange dot, a Sony standard) Manual focus ring takes a gorilla to turn. And the auto-focus isn't. Could not get it to auto-focus after the first few pictures; off/on, every combination.
Summary: 10 seconds after attaching it to my camera (D5100) I understood I had received a bad copy... it hunts for seconds. I wanted to love this lens, too good to be true? it seems like way too many people are having this same issue lately, I see Amazon has a warning for this item... was not there when I bought it... Sending it back.
Summary: I have read a lot of the reviews of this lens and I had mixed feelings about buying it. I have had good experiences with Sigma in the past, so I decided to buy the lens. When I received the first lens it took great pictures. However, after 10-15 pictures the lens started to malfunction. The lens would not focus on any light condition when the subject was 30 ft away. If i tried to focus on subjects farther than than that, it seemed to focus no problem.
Summary: The Sigma lens unit that I received does not auto-focus at all. As mentioned in many other 1-star reviews, the lens will hunt and hunt, sometimes for several seconds and stop out of focus, and other times would hunt endlessly. Both phase detect and contrast detect modes suffered from this defect on my Nikon D90. Manual focus works great, producing very sharp and clear images. The camera body used to test the lens works fine with two (2) other Nikon branded lenses.
Summary: I ended up sending this lens back twice! The first copy I received would not focus. It would hunt and hunt on autofocus and when it did finally decide to take a picture, it was blurry. The second copy I received had a noticably dark halo around the outer edge of the pictures, especially when zoomed all the way out. I was so disappointed because I wanted a new go-to lens. For the almost $700 price tag, you think it would actually work!
Summary: I ordered this item yesterday after going back and forth as to get this or the Nikon 17-55. This lens has some mixed reviews but I figured "why not?" Well, after paying the extra money for next day shipping, I attached it to my camera, focused on a subject and.....wait, no I didn't. Because this lens does not focus. It hunts...and hunts...and hunts. I could not get it to focus on a subject unless there was TONS of light in the room.
Summary: I decided to buy this lens from Amazon and it was still cheaper by about US100 even after I had factored in the courier charge of about US100 to fly it into Singapore. However, I was very very disappointed when I tested it and found that the lens was always focus hunting. I read the past reviews and found that I was not the only one facing the same problem. I tested it on both my Nikon D7000 and D5000 and both have the same problem.
Summary: Incredible lens, fantastic image quality, very sharp and well built. The problem is with the autofocus. My first lasted a couple weeks before it started, soon enough it couldn't find a focus point under almost any circumstance. Sent that one back and got a replacement and the new one was doing it almost as bad straight out of the box. All my other lenses work fine.