Tamron 20-40mm f/2.8 DI III Overview A versatile wide-angle to standard-length zoom, the Tamron 20-40mm f/2.8 Di III VXD Lens spans a useful range of focal lengths for everyday shooting. Offered here with a Sony E-mount, this compact and portable lens is well-suited for everything from landscapes and cityscapes to street scenes and portraits. An excellent travel companion, this full-frame lens delivers beautiful images across the entire zoom range and is a great choice for still photography, vlogs, and other video content. Versatile wide-angle to standard-length zoom designed for full-frame Sony E-mount cameras that can also be used with APS-C models where it produces a 30-60mm equivalent focal length range. Constant f/2.8 maximum aperture provides bright illumination throughout the zoom range and also enables precise control over depth of field for working with selective focus techniques. VXD (Voice-coil eXtreme-torque Drive) linear motor focus mechanism for fast, quiet, and precise autofocus performance throughout the zoom range. Compatible with many camera-specific features and functions including Fast Hybrid AF and Eye AF. Minimum focusing distance of just 6.7″ and a 1:3.8 maximum magnification for working with close-up subjects. Rapid zoom ring arc of 65° enables swift adjustment to the desired focal length with minimal movement. Moisture-resistant construction for use in inclement conditions, plus a fluorine coating on the front lens element to protect against dust, dirt, and smearing. Compatible with Tamron Lens Utility software for customizing lens functions and updating firmware.
