I bought this lens in Edmonton from the new Vistek store in August this year. I thought that I would try it out first. The bench test reports are true to their words. This is an excellent lens and it only cost a fraction of the Canon brand. I realise the Canon lens has IS.

SP AF 17-50 mm f/2.8 XR Di II LD Aspherical (IF)

Originally posted 2006-06-26 on Optyczne.pl In February 2006 Tamron introduced three new lenses. Of these, the Tamron SP AF 17-50 mm f/2.8 XR Di II LD ASPHERICAL [IF] looked especially interesting, which like all Tamrons models, could easily compete in a long name contest.

visible chromatic aberration; vignetting at the whole focal length range (although the vignetting is even bigger for competitors at the same price range,; visible coma at f/2.8

Perfect match for Canon 400d SLR

BACKGROUND I had been looking to replace the so-so kit lens on my Canon 400d and agonised over the possible options for several weeks. I wanted a lens to broadly replace the kit lens range of 18-55mm - with a good wide angle and some telephoto zoom, but not too much of a range so that optical...

Image sharpness; constant f2 .

Some distortion at widest setting; motor noise

A Trio Of Tamron Zooms; SP AF17-50mm F/2.8 XR Di II LD Aspherical [IF], AF28-200mm F/3.8-5.6 XR Di Aspherical [IF] Macro, And AF70-300mm F/4-5.6 Di LD Macro 1:2

Because of the increasing popularity of digital SLR cameras, Tamron has been upgrading their line of lenses to the "Digitally integrated" (Di) standard, employing methods discussed in our Technology sidebar.