Sigma Wide Angle 17-35mm f/2.8-4 EX DG Aspherical HSM Autofocus Lens for Canon AF Black

Wide Angle 17-35mm f/2.8-4 EX DG Aspherical HSM Autofocus Lens for Canon AF The lens is specially designed to suit the characteristics of digital SLR cameras.This lens has a compact dimensions that features overall length of 86.2mm / 3.3 in. SLD (Special Low Dispersion) Glass is used for effective compensation of color aberration. Two pieces of molded glass aspherical lens elements offer excellent correction for distortion as well as all types of aberration.Excellent optical performance was realized both for Digital SLR cameras and film SLR cameras.

Minimum focusing distance of 27cm / 10.6 in allows you to come very near to subject.
It has a minimum focusing distance of 27cm / 10.6 in. at all focal lengths, and maximum magnification ratio of 1:4.5. This super-wide angle lens' useful range of view is very convenient for close-up photography.

Inner Focus System.
An inner focus system provides high performance and convenience. The non-rotating lens barrel perfectly suits the matched petal shaped lens hood.