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Tamron AF 17-50mm F/2.8 XR Di-II LD SP ZL Aspherical (IF) Zoom Lens for Canon Digital SLR Cameras
Feature: ... 17-50mm aspherical zoom lens with f/2.8 maximum aperture for Canon DSLR cameras; Delivers fast shutter speeds and natural soft-focus effect to produce sophisticated results; 3 elements of XR glass, 2 hybrid aspherical lens elements, and 1 element of LD glass; Minimum focus distance of 10.6 inches; internal coatings eliminate ghosting and flare; Measures 2.9 inches in diameter and 3.3 inches long; weighs 15.2 ounces; 6-year warranty ...more
Customer Reviews — [1] Rating: 4 Date: 2009-12-15 Summary: Decent lens but some quirks... ... OK, I wanted a 17-55 mm zoom to complement my Sigma 35-300 zoom for my Canon Rebel XSi. After trying both the Sigma 18-55 mm f2.8 and this lens I chose the Tamron. While it is not quite as sharp as I like (Sigma has soft focus issues too) I could not justify the price of a Canon L series lens. This lens has met my expectations. It is reasonably fast. The autofocus is a bit noisy but not overly so and it allows me to have a lens that is an effective 28-88 mm zoom when factoring in the 1.6 crop factor for the APS-C sensor ...more
[2] Rating: 5 Date: 2010-01-20 Summary: expectations? ... Not a big "reviewer", but I have to comment on this piece of equipment. This was my first non-Canon lens purchase. MAN, did I have my expectations "set too low". This is a very high quality lens, every bit as high quality as any Canon lenses I have shot. ...more
[3] Rating: 5 Date: 2010-02-23 Summary: I'm not a Tamron fan but this lens is changing my opinion ... This is not my first Tamron lens, I've had others that I've returned or re-sold after using for a while. Needless to say I'm not much of a fan. I don't know what prompted me to try them again, but I'm glad I did. I was previously using a Sigma 28-70 on an APS-C sensor dSLR. For routine shooting of family events, the Sigma was a bit too long of a focal length. I purchased this after considering other lenses made by Canon, Sigma, and Tokina. I read up on users' opinions of the lenses and decided that the Tamron was so ...more
Editorial Reviews — [1] ... Product Description | The SP AF17-50mm F/2.8 is a lightweight, compact, fast standard zoom lens designed exclusively for digital SLR cameras, expanding the product concept of the popular SP AF28-75mm F/2.8 zoom lens. In addition, portrait shots are made beautiful with the natural out-of-focus effect characteristic provided by the fast F/2.8 aperture. Additionally, a broader photographic expression through the use of faster shutter speeds as a result of the maximum aperture offers enhanced photographic pleasure....more
[2] ... Product Description | The Tamron AF 17-50mm aspherical lens expands on the popularity of the AF 28-75mm f/2.8 XR Di zoom, with a 17mm focal length that offers a wider angle of view than an ordinary standard zoom lens. Designed exclusively for digital SLR cameras with smaller-size imagers (24 x 16mm or smaller), the 17-50mm standard zoom is extremely lightweight and compact for its speed. And with a fast f/2.8 maximum aperture throughout the range, it delivers fast shutter speeds and a natural soft-focus effect...more

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