this sigma lens is very interesting and not so expensive compared to it's equivalent range but does comes close to the Tamron 17-50mm equivalent which makes them both great lenses to have around now in retail shop stores outlet near by
a duality Sigma lens that will work with both digital SLR camera and the standard 35mm film SLR camera, budget size, good build, a fast lens - you don't any better than this now in dubai uae middle east uk usa netherland holland australia shop store retail outlet