Tamron AF 17-50mm F/2.8 SP XR Di II VC (Vibration Compensation) Zoom Lens for Canon Digital SLR Cameras

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Price: $649.00    

Product Feature

• Compact Fast Zoom with VC (Vibration Compensation).
• Fast Constant F/2.8 Aperture.
• For use on APS-C size DSLR cameras.
• 11.4-Inch minimum focusing distance / 1: 4.8 Maximum magnification ratio.
• Internal Focusing.

Product Description

The new SP 17-50mm F/2.8 XR Di II VC covers the very popular 17-50mm focal length range (equivalent to 26-78mm in the full-frame 35mm format) making it extremely versatile. Its wide aperture and outstanding performance provide practical advantages in low-light shooting and aesthetic image control, thereby enriching the user's range of creative expression. The new lens delivers impressive sharpness and striking contrast over its entire focal-length and aperture range, and at its maximum aperture of f/2.8 it produces beautiful images enhanced by shallow depth of- field, and smooth, natural transitions in out-of-focus areas of the image (i.e. excellent bokeh.) The new lens is equipped with Tamron's proprietary Vibration Compensation (VC) image stabilization mechanism, which controls the effects of camera shake in three planes. VC provides more opportunities for sharp hand-held photography at the slow shutter speeds needed when shooting in low-light conditions (e.g. night or indoor scenes) dramatically enhancing the user's level of photographic freedom.

Tamron AF 17-50mm F/2.8 SP XR Di II VC (Vibration Compensation) Zoom Lens for Canon Digital SLR Cameras Review

I'm a pure Canon lens user for the past 3.5 years. Currently using EOS 40D. This is my very first third party lens & initially was quite skeptical. After thinking it over, I went ahead to give it a try because I can't afford the Canon EF-S 17-55mm f/2.8 IS USM.

After playing with the new Tamron lens for almost two weeks, here's some of my 2 cent comments:

Good News first (wow so many don't know where to begin):

-Great optical performance! All photos taken are really sharp.
-Accurate, consider fast and consistent autofocus.
-Zoom ring isn't cramped or stiff, easy to turn (opposite direction of Canon lens).
-Surprisingly at 17mm I hardly can see any barrel distortion!
-I can't detect any chromatic aberration & Vignette problem. All photos look clean & accurate. But it doesn't mean they are not there. Maybe I need to get my eyes checked. :-)
-Nice weight (lighter than my Canon 24-105L) & feel, will be my new walkaround lens.
-AF is noisier than Canon USM. It sounds like soft "mechanical turning & twisting". Some photographers may find this annoying but I'm perfectly alright with this. It's not too loud & certainly won't disttract your subject or model. In fact, I'm getting used to the sound & feel good knowing my lens is working properly (see below too).
-Manual focusing is easy to use.
-AF is fast & accurate, so you can hardly hear the AF noise except under extreme low light situation (the AF is a bit tad slow & the noise is more obvious).
-Bokeh. I love it!
-The Vibration Control VC feature is also great & I can go down really low & pic still sharp.
-Sharpness of this Tamron lens is at par with my Canon 24-105L. On color comparison, I find Tamron produces a bit more saturate & brighter.

Bad News (hmm...I have to think of some negatives because no lens are perfect):

-The focal length lock is a nice feature & but it can only lock at 17mm. Would be nice if it can also lock at other focal length.
-No manual booklet. Only a piece of info sheet in Japanese. There's no English version.
-Hmm...at f/2.8 photo results are slightly darker than other aperture used. I tried both AV & Manual mode but still the same. No big deal, I can use the exposure compensation.
-Also at open wide f/2.80 image is slightly softer but super tack sharp once reach f/4.0.

Overall View: Well done Tamron! It's light-weight and has a fast maximum aperture of f/2.8 for shooting in low-light, this is a solid lens. At 50% cheaper than Canon EF-S 17-55mm f/2.8 IS USM & with great IQ, will use the amount saved on other camera accessories. I'm as happy as a Jolly Bee, have totally no gripe at all.

I do not hesitate to recommend this lens for anyone who wants a fast, constant aperture, light-weight standard zoom lens. The image quality is great and the VC works good.

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