Di Series Lenses
Di: Digitally Integrated Design, is a designation Tamron puts on lenses featuring optical systems designed to meet the performance characteristics of digital SLR cameras.
Advent of an ideal Ultra wide-angle zoom lens well balanced in all aspects. With its superb image quality, compact size and excellent operational ease, this ultra wide-angle zoom lens lets you enjoy dynamic image composition by exaggerating your main subject against a wide background.
Tamron's new ultra wide-angle zoom lens starts at 17mm when used with a conventional 35mm SLR camera. When mounted on an APS-size digital SLR camera, it provides a focal length coverage equivalent to a 28-55mm (on a 35mm format camera), covering the sesirable wide-angle to standard range.
Comments about Tamron 17-35 mm SP f/2.8-4 Di LD Aspherical (IF) Autofocus Zoom Lens for Canon:
SOLID PERFORMER, WELL BUILT, GOOD AF @ 2.8, RUGGED, VERY STABLE LENS. IS VERY SHARP.
COULD BE WIDER AT THE SHORT END.
STILL VERY GOOD PERFORMANCE.