Overview
The Tamron 12-20mm f/2.8 Lens (Sony E) is a full-frame ultrawide zoom built for photographers and content creators who want a dramatic, wide perspective without carrying a heavy setup. Communicating natively through its Sony E mount, this lens covers a 12 to 20mm focal range with a bright, constant f/2.8 maximum aperture across the entire zoom, making it well suited to landscapes, architecture, interiors, and astrophotography. The wide angle of view and fast aperture combine to deliver excellent low-light performance and edge-to-edge sharpness, whether shooting stills or video.
Driven by Tamron's VXD linear motor, the lens delivers fast, quiet, and accurate autofocus for both photography and video work. It is also the first lens to introduce Tamron's Toned Profile Next design, bringing refined ergonomics, a premium exterior finish, and an expanded set of physical controls to the shooting experience. Moisture-resistant construction and a fluorine coating on the front element help guard against dust and moisture in the field, while a compact build weighing just 570 g keeps the lens easy to carry alongside a full-frame body for fast-paced shooting.
Constant f/2.8 Aperture Across the Zoom
A bright, constant f/2.8 maximum aperture holds steady throughout the 12 to 20mm zoom range, giving consistent exposure and reliable low-light performance whether shooting wide at 12mm or tighter at 20mm. The fast aperture also helps separate subjects from backgrounds even at this wide end of the focal range.
Fast, Silent VXD Autofocus
Tamron's VXD (Voice-coil eXtreme-torque Drive) linear motor drives rapid, near-silent, and highly accurate autofocus, suited to both stills and video work where smooth, quiet focus transitions matter.
Smooth 12-Blade Bokeh
A 12-blade rounded diaphragm produces smooth, natural-looking bokeh and pleasing starburst effects on point sources of light, while the 17-element, 12-group optical design works to minimize distortion, chromatic aberration, and sagittal coma flare.
Dramatic Close-Up Perspectives
A minimum focus distance of 18 cm at the 12mm end of the zoom allows dramatic close-up compositions against sweeping wide-angle backgrounds, a signature look for ultrawide lenses used in landscape and interior photography.
Toned Profile Next Design and Controls
As the first lens to introduce Tamron's Toned Profile Next design, it brings upgraded ergonomics and a premium exterior alongside an expanded set of physical controls, including an AF/MF switch, a focus set button, and a mechanical zoom lock. A click on/off switch lets you toggle between defined click stops for stills and smooth, declicked adjustment for video.
USB-C Port for Tamron Lens Utility
A built-in USB-C port connects the lens to Tamron's Lens Utility software, giving access to firmware updates and advanced customization of the lens's controls.
Weather-Resistant Construction
Moisture-resistant construction throughout the barrel, combined with a protective fluorine coating on the front element, helps guard against moisture, dust, and fingerprints in demanding outdoor conditions.
Rear Filter Holder and Lens Hood
A rear sheet-filter holder accepts gel filters behind the rear element, and the included flower-shaped lens hood helps block stray light and protect the front element from knocks.
Optical
| Focal Length | 12 to 20mm |
| Maximum Aperture | f/2.8 |
| Minimum Aperture | f/16 |
| Lens Format Coverage | Full-Frame |
| Minimum Focus Distance | 18 cm (Wide) to 28.2 cm (Tele) |
| Maximum Magnification | 0.11 to 0.17x |
| Macro Reproduction Ratio | 1:5.8 |
| Optical Design | 17 Elements in 12 Groups |
| Aperture/Iris Blades | 12, Rounded |
General
| Lens Mount | Sony E |
| Focus Type | Autofocus |
| Image Stabilization | No |
Physical
| Dimensions | Length: 11.9 cm |
| Weight | 570 g |
What's Included
- Tamron 12-20mm f/2.8 Lens (Sony E)
- Front Lens Cap
- Rear Lens Cap
- Barcode: 92085
- UPC Barcode: 4960371007076
- Supplier Code: TAA084SONY