Tamron 20-40mm F2.8 VXD is a Fixed aperture Auto Focus (AF)
Wideangle Zoom lens with 35mm FF max sensor coverage, and it is designed to be used with
E Mount cameras.
What type of photography is the Tamron 20-40mm F2.8 VXD lens good for?
The choice of photography type for which you intend to use the Tamron 20-40mm F2.8 VXD is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the Tamron 20-40mm F2.8 Di III VXD Lens
Here we've included a summary of the advantages and disadvantages of the Tamron 20-40mm F2.8 Di III VXD lens in a list form to assist you in determining whether it offers the features you need.
Weather-sealed |
Autofocus |
Hood supplied |
Full-time Manual Focusing |
Fast Aperture at Wide end |
Fast Aperture at Tele end |
Constant f2.8 aperture throughout the range |
Covers Full-Frame Sensor |
9 Diaphragm Blades for Smooth Bokeh |
Minimum focus distance of 0.17m / 6.7 inch |
Report a correction
Buy Tamron 20-40mm F2.8 VXD from Amazon or B&H PHOTO
Lens Extends while zooming |
Lens Mount
Tamron 20-40mm F2.8 VXD is compatible with cameras that have a Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Tamron 20-40mm F2.8 VXD has a maximum diameter of 74mm and total length of 86mm when not extended. It weighs 365g / 12.9 oz.
Check the size of the Tamron 20-40mm F2.8 VXD when attached to E Mount cameras:
Tamron 20-40mm F2.8 VXD Size with E Mount Cameras
Below, you'll find a scaled side-by-side image comparing the sizes of the Tamron 20-40mm F2.8 VXD and the Sony FE 16-35mm F2.8 GM, offering a better understanding of their dimensions in real life. Check the detailed comparison of these two lenses here.
Tamron 20-40mm F2.8 VXD has a filter thread of 67mm. Below are links to the filters that we recommend you to consider for your Tamron 20-40mm F2.8 VXD:
Focal Range
Tamron 20-40mm F2.8 VXD has a focal range of 20-40mm and 2.0X zoom ratio. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 30 - 60mm.
Weather Sealings
The Tamron 20-40mm F2.8 VXD is a weather-sealed lens, which provides extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have effective protection, you have to pair the Tamron 20-40mm F2.8 VXD with a weather-sealed camera body such as the Sony A9 III, Sony A7C Mark II and Sony A7CR.
Optical Image Stabilization
Tamron 20-40mm F2.8 VXD doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Alternatively, you can check the Sony FE 16-35mm F4 ZA OSS in Sony E mount that have similar focal range but features Optical Image Stabilization.
Lenses Similar to Tamron 20-40mm F2.8 VXD With Optical Image Stabilization
Zoom Method
Tamron 20-40mm F2.8 VXD features Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.
Below are the 3 Wideangle Zoom type Sony E mount lens alternatives with highest max magnification ratios:
Aperture
Tamron 20-40mm F2.8 VXD is a fixed aperture lens with a constant max aperture of f2.8 from 20mm all the way to the 40mm .
Focal Length |
Max Aperture |
Min Aperture |
20mm
|
F2.8 |
F22 |
40mm
|
F2.8 |
F22 |
Optical Formula
Tamron 20-40mm F2.8 VXD's optical formula consists of 12 elements in 12 groups . Following special elements are used in this design:
- Four LD (low dispersion) elements
- two GM (Glass Molded Aspherical) elements
- one Hybrid Aspherical element
Lens Hood
Tamron 20-40mm F2.8 VXD comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
What's in the Box of Tamron 20-40mm F2.8 VXD?
Here are the items that are included inside the box of Tamron 20-40mm F2.8 VXD:
Tamron 20-40mm f/2.8 Di III VXD Lens for Sony E Front Lens Cap Rear Lens Cap Lens Hood Limited 6-Year Warranty
Body Colour
Tamron 20-40mm F2.8 VXD is available in Black color.
Popular Comparisons of Tamron 20-40mm F2.8 VXD
Here are the eight most popular comparisons of the Tamron 20-40mm F2.8 VXD amongst Camera Decision readers.
Top Alternatives of Tamron 20-40mm F2.8 VXD Lens
**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate, I earn from qualifying purchases.