Tamron has a winner with the Tamron AF 17-50mm F/2.8 Zoom Lens for Canon Digital SLR Cameras. This lens costs only half as much as the Canon 17-55mm IS counterpart. Tamron AF 17-50mm Features 17-50mm aspherical zoom lens with f/2.8 maximum aperture for Canon DSLR cameras Delivers fast shutter speeds and natural soft-focus effect to [...]
