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.
This review is from: Tamron AF 17-50mm F/2.8 SP XR Di II VC (Vibration Compensation) Zoom Lens for Nikon Digital SLR CamerasI'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....
This review is from: Tamron AF 17-50mm F/2.8 SP XR Di II VC (Vibration Compensation) Zoom Lens for Nikon Digital SLR CamerasI received this lens a few days ago and immediately started using it. The lens came with a lens hood and caps only, no carrying pouch. The lens is slightly bigger and bulkier than my 18-70 Nikkor that it is replacing. It feels great in the hands and in the camera, I can feel the quality. The lens focused accurately and speedily. I can't comment on its speed versus the non VC version, but its faster than my 18-70 Nikkor (as it should since its $300 more expensive). It locked on in low light pretty good too, something I had trouble with in my 18-70. I tested the VC out and found that the VC has a delay of about a second before taking effect. You will notice the effect because the viewfinder will have a slight jerking motion before taking effect. The VC worked quite well though, taking sharp pics most of the time (if done properly) down to 1/8th second. This lens is TACK SHARP, even at F2.8 it is very sharp. The zoom ring comes with a zoom creep lock that works at 17mm, but the rings are stiff enough that you won't need to use it. There are three things that this lens wasn't so great on. The focus is loud, its not an ultrasonic motor. The VC has the 1 second delay which is not so hot. The VC is also loud, you can hear it take effect. Overall, this is a fine lens for myself. Those who find the VC delay, or noise, might be turned off by it, so take that into consideration....
This review is from: Tamron AF 17-50mm F/2.8 SP XR Di II VC (Vibration Compensation) Zoom Lens for Nikon Digital SLR CamerasThe title of my review pretty much sums it up. The two major features of this lens are its constant aperture of f2.8 at all focal lengths, and the new VC (anti-shake) feature. The previous version of this lens was superb, but lacked stabilization, so the VC is a welcome feature.Design/BuildIt's a very well built lens with a metal mount. Its not pro-quality, but definitely better than any kit lens I've owned. I'd give it a solid 4 out of 5 stars for build quality and design. It's quite a bit thicker than the previous version, but not much heavier. It looks huge on my D80, but its not too heavy so it works well and balances perfect on a D300.VCThe vibration compensation works very well. It works just as effective as any Nikon VR lens I've owned. No complaints on the effectiveness of the VC system. Some people reported it as loud when the VC motor kicks in, but I found it to be acceptable. Not as quiet as the Nikon VR2 system, but definitely not "loud" either. Others have reported that the VC doesnt kick in as fast as Nikon VR2, and its true (very very slightly) but again, not a problem. You'll be taking your time to take a picture whenever your using VC anyhow, so it really ...
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