Tamron 20-40mm f/2.8 Di III VXD Lens for Sony E

Features

• E-Mount Lens/Full-Frame Format
• Maximum Aperture: f/2.8
• VXD Linear Motor Focus Mechanism
• Minimum Focusing Distance: 6.7"
• Moisture-Resistant Construction
• 67mm Front Filter Size

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.