Tamron Announces 17-35mm F/2.8-4 Di OSD Lens

 

Tamron launched a new ultra-wide-angle zoom lens, the 17-35mm F/2.8-4 Di OSD (Model A037), for 35mm full-frame DSLR cameras. At 3.5inches, the smallest lens in length, it has a focal length range of 17mm to 35mm. As for F-stops, the wide-angle end is an aperture F/2.8, and at the telephoto end is a fast F/4. Its built is Moisture-Resistant and coated with fluorine. The optical construction (15 elements in 10 groups) uses four LD (Low Dispersion) lens elements with two GM (Glass Molded Aspherical) lenses. The Minimum Object Distance (MOD) for the entire zoom range is a short 11 inches. The AF drive system employs an OSD (Optimized Silent Drive).

Tags: 17-35mm F/2.8-4 Di OSD, Lens, photokina 2018, Tamron, trade fair