Model A084

12-20mm F/2.8 Di III

SRP: TBA

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Product Features

Pro Performance Minus the Weight. Ultra-Wide Built for the Field.

Beyond the Scope of Vision ― The Overwhelming Perspective Only 12mm Can Capture

The defining feature of the 12-20mm F2.8 (Model A084) for full-frame mirrorless cameras is its ultra-wide focal range, starting at a remarkable 12mm. While 14mm or 16mm lenses are wide, the expansive 12mm perspective provides an unparalleled sense of scale. It allows you to emphasize perspective and capture the world with dynamic intensity — ideal for everything from majestic architecture to vast, sweeping landscapes. Furthermore, the 12-20mm F2.8 maintains a bright F2.8 maximum aperture throughout the entire zoom range. Whether you are shooting star-filled night skies or dimly lit interiors, this lens excels in every environment.

Enhanced Mobility for Landscapes — A Compact and Lightweight Design

The 12-20mm F2.8 achieves a sophisticated balance between uncompromising image quality and exceptional mobility. Through countless iterations of both optical and mechanical redesign, we have achieved a remarkably compact form factor — measuring just 119.3mm (4.7in) in length and weighing only 570g (20.2oz).

By fine-tuning individual components at the micron level and conducting exhaustive durability testing, we have ensured that this 12-20mm F2.8 meets the highest standards of strength and reliability. Whether you are trekking up a mountain or setting up for a night under the stars, this lens significantly lightens your load without sacrificing performance.

Length and weight are for Sony E-mount.

Comprehensive Control Features to Meet Professional Demands

①Custom Switch / ③Focus Set Button / ⑥Connector Port (USB Type-C):
Used in conjunction with the TAMRON Lens Utility^TM application. These allow you to customize lens functions and assign practical features for both video and still photography, supporting a more versatile shooting experience.

②AF/MF Switch:
AF/MF Switch allows for instantaneous switching between autofocus and manual focus. This intuitive control ensures your shooting rhythm remains uninterrupted.

④MF Lock Switch:
MF Lock Switch disables the focus ring to prevent accidental focus shifts. This is especially critical during long-exposure tasks like astrophotography, where maintaining a precise focus point is vital.

⑤Zoom Lock Switch:
Zoom Lock Switch locks the zoom at either the 12mm wide end or 20mm longer end. This stabilizes your intended composition at these frequently used focal lengths, preventing unintended movement during a shoot. The lock can be quickly disengaged by simply rotating the zoom ring, allowing for a seamless transition to your next shot.

⑦Click ON/OFF Switch:
Click ON/OFF Switch toggles the clicking sound and feel of the aperture/control ring, allowing you to match your operating style to stills or video.

ON: Provides tactile feedback for each increment, making it easier to select specific settings and enhancing operability for still photography.
OFF: Enables smooth, silent ring rotation for natural-looking exposure and bokeh transitions during video recording.

⑧Iris Lock Switch (Sony E-mount only):
This Iris Lock Switch locks the aperture ring at the “A” position on the aperture scale, or within the manual range between “F2.8 – F16.” This allows you to choose whether to control the aperture via the camera body or the lens ring.

Locked at “A” (Auto): The aperture is controlled via the camera body.
Locked within the manual range (F2.8 – F16): The aperture is controlled via the lens ring.

Control Lock Switch (Nikon Z mount only):
Control Lock Switch determines whether settings such as aperture or exposure compensation are adjusted via the camera or the lens ring.

- Camera-side control: Set the switch to ON.
- Lens-side control: Set the switch to OFF.

⑨Aperture Ring (Sony E-mount only):
Aperture ring provides intuitive, tactile control over aperture settings, allowing the photographer’s intent to be reflected instantly.

Control Ring (Nikon Z mount only):
Control Ring allows for the custom assignment of functions such as aperture or exposure compensation, ensuring smooth, integrated operation with the camera body.

High-Speed, High-Precision, and Quiet Performance — Equipped with VXD Linear Motor Focus Mechanism

Featuring the VXD (Voice-coil eXtreme-torque Drive) linear motor focus mechanism, the 12-20mm F2.8 delivers high-speed and high-precision autofocus performance. Its exceptional responsiveness and agility — hallmarks of linear motor technology — ensure you never miss a critical moment.

* Operational sound may be recorded in video depending on the shooting environment.

Stunning Close-Up Performance — Unleashing the Dynamism of Ultra Wide-Angles

The 12-20mm F2.8 maintains exceptional close-range shooting capabilities throughout its zoom range, with a MOD (Minimum Object Distance) of jsut 0.18m (7.1in) at the 12mm wide end an 0.28m (11.1in) at the 20mm longer end. At its closest, you can get as near as 50mm (2in) from the front of the lens to your subject. This allows powerful, dramatic expressions — capturing the foreground subject with exaggerated scale while sweeping in the vast background for a truly dynamic perspective.

Compatible with TAMRON Lens Utility™ — Seamless Support for Video and Stills

The 12-20mm F2.8 is compatible with the dedicated TAMRON Lens Utility application, allowing you to assign practical functions for both video and still photography directly to the lens. This eliminates the need for external video equipment or previously required complex setups, streamlining your creative workflow and expanding your shooting possibilities.

Mastery of Light — The Artistry of a 12-Blade Circular Diaphragm

The 12-20mm F2.8 features a 12-blade diaphragm, meticulously engineered for exquisite light rendering. When shooting near maximum aperture, it produces stunningly smooth, circular bokeh from point light sources. Furthermore, when stopped down for nightscapes and cityscapes, it creates sharp 12-pointed starburst effects, adding a touch of elegance to your image.

Evolution of Form — Introducing the "Toned Profile Next" Lens Design

The 12-20mm F2.8 introduces “Toned Profile Next,” taking TAMRON’s signature “Toned Profile” design philosophy to the next level. The aesthetic has evolved form a “lean and muscular silhouette” into a “mechanical style that resonates with the preferences of modern users.” This refined exterior combines a sleek, sophisticated look with the rugged functionality demanded by today’s photographers.

Integrated Flower-Shaped Lens Hood and Locking Front Lens Cap

— Integrated Flower-Shaped Lens Hood

The 12-20mm F2.8 features a built-in, flower-shaped hood designed to effectively minimize flare and ghosting. By shielding the lens from stray light, it allows the optical system to deliver its maximum performance and clarity.

— Locking Front Lens Cap

The dedicated lens cap features a secure locking mechanism. Designed to fit perfectly over the integrated hood, it ensures the lens remains protected and can be carried with total peace of mind.

Integrated Rear Filter Holder

The lens mount is equipped with a dedicated rear filter holder, allowing for the use of commercially available sheet-type filters. Users can simple cut a filter sheet to the required size and insert it into the holder for expanded creative control. It is useful for long-exposure photography.

Soft Wrapping Cloth for Scratch Resistance

The 12-20mm F2.8 comes with a wrapping cloth to help protect the lens in your bag. The fabric features a self-gripping surface that adheres to itself, allowing you to fold it neatly around the lens to protect it from surface dust and scratches. It is compact and folds down easily when not in use, making it convenient accessory for transport.

* Please be sure to read the instruction manual before use.

Supports Camera Key Functions

> For Sony E-mount Includes:
-Fast Hybrid AF
An autofocus system that combines the traditional Contrast Detection AF with Phase Detection AF.
-Eye AF
A feature that allows the camera to automatically focus on the eyes of a subject.
-Direct Manual Focus (DMF)
A feature on Sony cameras that allows you to adjust focus after the camera’s autofocus system has locked onto a subject.
-In-camera Lens Correction (Shading, Chromatic Aberration, Distortion)
-AF Assist
A feature that combines autofocus and manual focus to help you focus on your subject. It’s especially useful for videographers.

> For Nikon Z mount includes:
– Hybrid AF
– Eye AF
– M/A Mode
Autofocus with a manual override. You can manually change focus without having to change to manual.
– In-camera Lens Correction (Shading, Chromatic Aberration, Distortion)

* Features vary by camera. Please consult your camera’s instruction manual for details.
* If your camera has a lens correction setting (e.g., “Lens Compensation” or similar), please ensure it is set to “ON” or “AUTO.”
* Please update the firmware to the latest version.
* As of June, 2026