Reviews and Problems with Sigma APO 17-50mm F2.8 EX DC OS HSM
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this is my second one.......,and
Michel, B&H Photo
27 February 2015
Excerpt: This is my second sigma 17/50, and I am disappointed with the sharpness, the first one which I had problem with, the barrel getting loose was repaired and it did affected the sharpness, reason why I bought an other one, this new one is not any better??? I will trade for Canon lenses.
Pros: Great Stabilizer, Lightweight
Cons: Not sharp enough, Poor in Low Light, Weak Casing
Excerpt: Nice lens, easy to use and sharp, but not much more than the Sigma 18-250 mm f/3.5-6.3 I already own and use on a Canon 60D. I bought if for the larger aperture anticipating better IQ but found that a Fujifilm X30 28-112 mm with an f/2-2.8 lens that I bought later for travel use handled the larger aperture situations just as well in my pixel-peeping tests using RAW+JPEG images and provided JPEG results SOOC extremely well.
Pros: Durable, Fast / accurate auto-focus, Smooth To Use
Excerpt: I purchased for indoor and outdoor use. F2.8 was the key, although the focal length was somewhat too short. I wish it could go up to 70 or 80mm. 50 mmm @ F2.8 was marginally better than my 18-200mm Nikor. It is also pretty heavy lens. 17mm actually makes a difference, which is wider than my 18-200mm. It is a sharp lens, but the corners are not sharp especially at 17mm @ F2.8. This was one of the major reasons I returned this lens.
Summary: Does not work below 60F. Gives a lens error on my 70d, stops auto-focusing and won't release the shutter. Otherwise, it a fantastic lens. Very sharp and the OS works great. Update after 1 month: I'm returning it to see if I just had a bad copy. I found one other person with the issue of this lens not working in cold weather so it doesn't seem common. I took it out today on a 60 degree sunny day and it failed to communicate with the camera.
Excerpt: It's a very useful lens for portraits, group shots and some landscape. But I have some problem with focusing. I think the auto focus motor is not very compatible with Nikon D7000. you should be really try hard to get tack sharp shots.
Summary: The lens gives me more capabilities because it can hold F2.8 at any zoom; both for low light and creating a shallow depth (making subjects pop by making the background out of focus). I like the lens but don't love it. The AF searches some times. The images are good but not great (might be my inexperience). I recommend it if your on a budget. The constant F2.8 is nice and allows me to take shots I couldn't with my kit lens.
Excerpt: First of all, this lens is HEAVY! Add that to 7d and it is quite heavy. Now, that being said, I researched which lens to buy for a long time before purchasing this lens. I'd have to say everything I read by users was true. 1)It tends to produce warmer color indoors for sure. 2)It's not as as good for low light/fast action, which is why I bought it in the first place. I shot an outdoor wedding and reception held indoors with low light.