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

Overview

The Tamron 20-40mm f/2.8 Di III VXD Lens for Sony E is a compact full-frame wide-angle to standard zoom with a constant f/2.8 maximum aperture. Its focal range suits landscapes, cityscapes, street scenes and portraits, which makes it a handy travel lens for photographers, vloggers and video makers who want a light, portable zoom.

Fast, quiet VXD linear motor autofocus works with the camera's Fast Hybrid AF and Eye AF, close focusing reaches 1:3.8 magnification, and a moisture-resistant build with a fluorine-coated front element copes with inclement weather. Tamron Lens Utility software lets you customise lens functions and update firmware through the lens's connector port.

Constant f/2.8 Brightness

The f/2.8 maximum aperture stays the same from 20mm to 40mm, so exposure holds steady as you zoom and the lens stays bright in dim light. It also gives precise control over depth of field, making it easy to isolate a subject with selective focus whether you are shooting portraits, travel scenes or video.

Quiet VXD Autofocus

The VXD (Voice-coil eXtreme-torque Drive) linear motor moves focus quickly, quietly and precisely across the whole zoom range, which suits both stills and video. The lens supports camera-specific features including Fast Hybrid AF and Eye AF, and a zoom ring arc of just 65° lets you change focal length rapidly with very little movement.

Build & Handling

• 17 cm minimum focus distance with a 1:3.8 maximum magnification for close-up subjects
• Moisture-resistant construction for use in inclement conditions
• Fluorine coating on the front element to protect against dust, dirt and smearing
• 67mm filter thread
• Connector port for Tamron Lens Utility, to customise lens functions and update firmware

Optical Design

• 12 elements in 11 groups
• 9 aperture blades
• Full-frame coverage