Reviews and Problems with Sigma 18-250mm F3.5-6.3 DC OS HSM
Showing 1-10 of 48
Substandard image quality.
Richard A. Brigleb "Ducky", Amazon
3 weeks ago
Summary: I was disappointed by this lens. I could never get what I would consider good focus especially when zoomed out. There was also an issue with chromatic aberration. I returned the lens for a replacement with the hope that it was just a "lemon", but both had the same issues. I get much better results with the kit lens that shipped with my t1i.
Not a replacement for the Nikon 18 - 55 & 55 - 200 combination
2 September 2013
Summary: This lens seems to be well constructed, although the zoom ring is not too smooth, I could feel an annoying resistance half way of the zoom range. I didn't experience zoom creep but I noticed very poor zoom reach so I decided to test it against the Nikon 55 -200. With the camera mounted on a tripod, in Manual mode with the same aperture and shutter speed settings, the Sigma at full zoom (250mm) had much less reach than the Nikon at 200mm.
Summary: This lens performed nicely in most respects. It focused pretty quickly in most lighting conditions, had decent stabilization and generally felt good in my hand. In the end, I returned it because the zoom ring would stick at about 50mm in any position except pointing down.
Summary: I have the earlier model which is both larger and heavier which looks ridiculously appended to my Nikon body. I bought this with the hope that picture quality would be at least the same, but offer smaller and lighter carrying. I was wrong and I returned the updated model within a few days. I took a series of shots, identical in settings and zoom between the two and compared visually on the PC.
Summary: I ordered this lens thinking it might be a good fit for what I wanted after reading the reviews. After I received the lens I installed it on my camera and was very disappointed by the action and feel of the zoom ring. It was very tight and sticky across the entire range of the lens. Found it very hard to focus as the camera was twisting out of my hand. Ended up sending the lens back. Amazon took care of everything and did a great job.
If you care about IQ, there are better alternatives...
5 October 2012
Summary: I bought this lens to use with the Sony LA-EA2 Adaptor on a Sony NEX-7 Camera . I don't know if the copy of lens that I received is defective or not, but it's much less contrasty and much softer compared to the similarly priced Sony E 55-210mm F4.5-6.3 Lens for Sony NEX Cameras lens through the zoom range (55mm - 210mm) at f/8. Even if I needed the extra 40mm reach, the cheaper E-mount lens would give me better results after cropping.
Summary: A friend of mine let me try a few of his lenses before I made my purchase. The clarity and sharpness I really liked. However once I bought my own and tried it I found the images way too soft. I purchased this lens because my husband had dropped my camera and broken my standard lens so I thought possibly it was my camera that may have broken as well in the fall however my 50mm lens still worked wonderfully.
Summary: I have a Sigma 10-20mm lens and it is great. The 18-250 f3.5-6.3 does not come close. It is difficult to focus and even in wide angle mode it has a very narrow depth of field. It is not all that sharp.
Summary: I bought this for my wife thinking it would be a good all round lens. I was away when it arrived, and asked how she liked it. She said it was comfortable but "didn't seem to be as long as she expected" (who says size doesn't matter?). When I got home, I checked it against three other lenses - Sigma's "250mm" doesn't even match 200mm on the other three.