SP AF 17-50 mm f/2.8 XR Di II LD Aspherical (IF)

Originally posted 2006-06-26 on Optyczne.pl In February 2006 Tamron introduced three new lenses. Of these, the Tamron SP AF 17-50 mm f/2.8 XR Di II LD ASPHERICAL [IF] looked especially interesting, which like all Tamrons models, could easily compete in a long name contest.

visible chromatic aberration; vignetting at the whole focal length range (although the vignetting is even bigger for competitors at the same price range,; visible coma at f/2.8

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Tamron SP AF 17-50mm f/2.8 XR Di II VC review

A standard zoom for APS-C, this is a direct competitor to Canon's 17-55mm f/2.8 lens...

Effective four-stop stabiliser; f/2.8 constant aperture

Noisy autofocus; Middling sharpness at edges

Tamron SP AF 17-50mm f/2.8 XR Di-II VC LD Aspherical (IF) Lens - Canon EF SP17-50 F2.8XR DI II review

The build quality is typical for a consumer grade zoom lens although Tamron SP ("Super Performance") lenses are actually intended to target the high end market. Most of the lens is made of good quality plastics based on a metal mount. The zoom ring operates quite smoothly.