just got it.works pretty good.sharp images.Also I got my rebate really fast,in a matter of days,not weeks.Great service by Tamrone.

Easily Interchangeable; Fast / accurate auto-focus; Lightweight

I wanted a general purpose zoom lens for my Canon Eos XSi and after reading extensive reviews of various lenses I decided to try the Tamron to save a little money over the equivalent Canon lens.

Easily Interchangeable

Blurry Focus

This lens offered me the best bang for the buck as I am starting to do Weddings and events. I need a fast lens for low light venues and this lens does a great job. I have it paired with a Canon 7D and it has given me some clean crisp shots.

I have to say this is a very impressive lens for the price. It has allowed me to get some great shots of my toddler who never sits still. I can hand hold this at about 1/40th a second if I'm careful to stay still. Sharpness is great threw out the whole range.

VC Focus Speed Aperture

none

I bought this lens a few days ago. It seems good built, pictures are good quality and sharpness. I don`t like zoom ring, it`s little stiff (at least for me). When you turn on VC, you can really hear it. I have made abot 200 fotos; AF is working good.

good picture quality; good sharpness

zoom ring a bit stiff; you can hear VC

After using it for around 3 months, have to say it is not at all impressive. May be I hv a bad copy, but this lens consistently churns out average photos. Either go for Nikon (which is costlier but impressive output) or stick with cheaper Nikon 18-55.

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A full Tamron 17-50mm f/2.8 XR Di II VC Lens review is planned, but here is a quick lab-only review: Preliminary findings from lab-only testing have been somewhat disheartening however. You can see the image quality results in the ISO 12233 resolution chart link above.

The Tamron SP AF 17-50mm F/2.8 XS is a great lens with stunning image quality and a fixed aperture at 2.8. The build quality is very decent, but the lens isn't very light. 2.8 is a large aperture, it is fixed throughout the range, which is great for handheld photos and low light situations.

This high-speed digital only ultrawide ($650, street) upgrades Tamron's nonstabilized 17–50mm f/2.8 ($460, street). Like the earlier lens (which remains in the lineup), this version uses an Extra Refractive (XR) element, two elements of low dispersion, and three of compound aspheric glass-adding up...