


Tamron AF 17-50 F2.8 XRDi II LD Aspherical for Canon EOS
This versatile Tamron AF 17-50mm F/2.8 XR Di II lens covers the popular 17-50mm focal length range (equivalent to 26-78mm in the full-frame 35mm format ). Its wide f/2.8 aperture gives a natural out-of-focus background effect which is ideal for portraits; the minimum focusing distance of 27cm over the entire zoom range gives a maximum magnification ratio of 1:4.5 at 50mm. Sharpness and contrast over its entire focal-length and aperture range is impressive