Tamron 11-20mm f/2.8 Di III-A RXD Sony E APS-C

World's first F2.8 ultra wide-angle zoom lens for APS-C mirrorless cameras Compact and light weight 67mm filter size RXD (Rapid eXtra-silent stepping Drive) stepping autofocus motor unit is exceptionally quiet - perfect for video use Minimum focus distance of 0.15m at the 11mm focal length offers unique perspectives Outstanding optical performance with two GM (Glass Molded Aspherical) lens elements for high resolution across the entire image, one XLD (eXtra Low Dispersion) and two LD (Low Dispersion) lens elements correcting optical aberrations BBAR-G2 (Broad-Band Anti-Reflection Generation 2) Coating suppresses ghosting and flare to a minimum level and reveals the minute details of objects even when the subject is backlit Moisture-Resistant Construction and Fluorine Coating provide extra protection Compatible with many camera-specific features and functions, including Fast Hybrid AF and Eye AF