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.