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12-20mm F2.8
6-Year Limited Warranty
Your lens purchase includes many benefits at no additional charge.
Features
- Tamron’s new ultra wide-angle.
- Designed for full-frame mirrorless cameras from Sony and Nikon.
- Comfortable ergonomic design for ease of use.
- Lightweight, compact, and built-for-mobility design makes it perfect for travel and video content creation.
- High-speed, high-precision VXD AF quietly captures the action.
- Compatible with TAMRON Lens Utility™ Software.
- Moisture-Resistant Construction with protective Fluorine Coating.
- Available for Sony E and Nikon Z mounts.
In the Box
- Lens Hood
- Front Lens Cap
- Rear Lens Cap
Return Policy
Select Mount*
Select Country*
FREE Ground shipping for orders $500 or more when purchasing thru the TAMRON Store using the code frshp20.
*Website purchases limited to shipments to USA addresses only in all states except Alaska.
Lens Overview
Pro Performance Minus the Weight. Ultra-Wide Built For the Field
Engineered for photographers who move fast and travel light, this compact ultra-wide zoom lens delivers a versatile 12-20mm range with a constant F2.8 aperture for landscapes, astrophotography, interiors, and more. Advanced optical design helps suppress edge blur, color fringing, and sagittal coma flare for sharp, detailed results across the frame. A new aperture ring and control ring enhance operability in the field, giving creators pro-level performance without the extra weight.
Beyond the Scope of Vision — The Overwhelming Perspective Only 12mm Can Capture
The defining feature of the Tamron 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.
Stunning Corner-to-Corner Resolution for Astrophotography and Nightscape Exceptional Optical Performance
- Exceptional Performance
The optical design features a sophisticated arrangement of specialized elements, including one XGM (eXpanded Glass Molded Aspherical) and three GM (Glass Molded Aspherical) lens elements. This is further enhanced by one XLD (eXtra Low Dispersion) and three LD (Low Dispersion) lens elements to effectively suppress various aberrations, minimizing peripheral blurring and color fringing. In particular, it effectively corrects sagittal coma flare, which is a common issue in nightscapes and astrophotography where point light sources appear distorted at the edges of the frame. By maintaining high sharpness from the center to the extreme corners, the 12-20mm F2.8 renders every single point of light with crystalline clarity.
- Advanced Coating Technologies
– AX (Anti-reflection eXpand) Coating: The 12-20mm F2.8 features AX Coating that achieves a uniform film thickness via vapor deposition across the entire surface of highly curved convex elements. This technology effectively suppresses harmful light, ensuring exceptionally clear and crisp image.
– BBAR-G2 (Broad-Band Anti-Reflection Generation 2) Coating: The 2nd-generation BBAR-G2 Coating significantly minimizes ghosting and flare, even in challenging backlit conditions. This results in high-contrast, vivid rendering with remarkable pop.
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 the optical and mechanical redesign, we have achieved a remarkably compact form factor — measuring just 119.5mm (4.7″) in length and weighing only 570g (20.1oz).* 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™ 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 allows for instantaneous switching between autofocus and manual focus. This intuitive control ensures your shooting rhythm remains uninterrupted.
④MF 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 locks the zoom at either the 12mm wide end or 20mm telephoto end. This stabilizes your intended composition at these frequently used focal lengths, preventing unintended movement during a shoot. The lock can be quickly disengaged simply by simply rotating the zoom ring, allowing for a seamless transition to your next shot.
⑦CLICK 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) 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) 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) provides intuitive, tactile control over aperture settings, allowing the photographer’s intent to be reflected instantly.
Control Ring (Nikon Z mount only) 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 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 sounds may be recorded in video depending on the shooting environment.
Stunning Close-Up Performance — Unleashing the Dynamism of Ultra Wide-Angles
The Tamron 12-20mm F2.8 maintains exceptional close-range shooting capabilities throughout its zoom range, with a Minimum Object Distance (MOD) of just 0.18m (7.1″) at the 12mm wide end and 0.28m (11.1″) at the 20mm telephoto end. At its closest, you can get as near as 50mm (2″) from the front of the lens to your subject. This allows for 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™ Application — Seamless Support for Video and Stills
The 12-20mm F2.8 is compatible with the dedicated TAMRON Lens Utility software, 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 previously required, streamlining your creative workflow and expanding your shooting possibilities.
[1] To connect your iOS smartphone and lens, use the separately sold accessory TAMRON-LINK (Bluetooth adapter Model TL-01). For iOS, only a Bluetooth wireless connection is available.
[2] To connect your Android smartphone and lens, use the separately sold accessories: TAMRON-LINK, or the TAMRON Connection Cable USB Type-C to Type-C Model CC-350).
[3] To connect your PC and lens, use the separately sold accessories: the TAMRON Connection Cable (USB Type-A to Type-C Model CC-150 or USB Type-C to Type-C Model CC-350).
[4] The functions available in this application vary depending on the lens and mount.
[5] Lens firmware updates are not supported by the Mobile version. Firmware updates require the TAMRON Lens Utility for PC.
Trademarks
Product and service names in this release are trademarks or registered trademarks of their respective companies.
*iOS is a name of Apple Inc. IOS is a trademark or registered trademark of Cisco.
*Android is a trademark or registered trademark of Google LLC.
TAMRON Lens Utility Info >
TAMRON-LINK Info >
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 Tamron 12-20mm F2.8 introduces “Toned Profile Next,” taking TAMRON’s signature “Toned Profile” design philosophy to the next level. The aesthetic has evolved from 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
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 simply 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.
Image not to size click here for template included in manual
Soft Wrapping Cloth for Scratch Resistance
The Tamron 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 a convenient accessory for transport.
* Please be sure to read the instruction manual before use.
Supports Key Camera Functions
■ For Sony E-mount:
・Fast Hybrid AF
・Eye AF
・Direct Manual Focus (DMF)
・In-camera lens correction (shading, chromatic aberration, distortion)
・AF Assist
■ For Nikon Z mount:
・Hybrid AF
・Eye AF
・M/A Mode
・In-camera lens correction (shading, chromatic aberration, distortion)
*Features vary by camera. Please consult your camera’s instruction manual for details.
Please update the firmware to the latest version. Please consult your camera’s instruction manual for details.
As of January 2026
Lens Tour
Circular Aperture
A 9-blade diaphragm is configured to retain a smooth, circular-shaped aperture opening even when stopped down by two stops from the wide-open aperture. This produces a smooth-edged bokeh in background highlights.
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I am tab #3 content. Click edit button to change this text. Drops of rain could be heard hitting the pane, which made him feel quite sad. How about if I sleep a little bit longer and forget all this nonsense.
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I am tab #3 content. Click edit button to change this text. Drops of rain could be heard hitting the pane, which made him feel quite sad. How about if I sleep a little bit longer and forget all this nonsense.
I am tab #3 content. Click edit button to change this text. Drops of rain could be heard hitting the pane, which made him feel quite sad. How about if I sleep a little bit longer and forget all this nonsense.
Features
A 12-blade diaphragm is configured to retain a smooth, circular-shaped aperture opening even when stopped down by two stops from the wide-open aperture. This produces a smooth-edged bokeh in background highlights.
AX Coating and BBAR-G2 Coating suppress ghosting and flare across highly curved lens surfaces, delivering crisp, clear images with vivid contrast, even in backlit and challenging lighting conditions where unwanted reflections can reduce detail and clarity.
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.
For greater protection when shooting outdoors, leak-resistant seals throughout the lens barrel help protect your equipment. The Connector Port is the water-proofed USB Type-C variety.
*Shown for model A063, seals in same positions for all lenses.
The front surface of the lens element is coated with a protective fluorine compound that is water- and oil-repellent. The lens surface is easier to wipe clean and is less vulnerable to the damaging effects of dirt, dust, moisture and fingerprints.
Lens Image
Select Mount
Tech Specs
Essential Specifications
Model
A084
Format
Mirrorless
Focal Length
12-20mm
Aperture Performance
Maximum Aperture
F2.8
Minimum Aperture
F16
Aperture Blades
12 (circular diaphragm)
Physical Attributes
Length
119.3mm (4.7") (Sony) 121.3mm (4.8") (Nikon)
Weight
570g/20.2oz (Sony) 585g/20.7oz (Nikon)
Maximum Diameter
ø90mm
Filter Size
Integrated rear filter holder
Close-Up Capabilities
Minimum Object Distance
0.18m (7.1") (Wide) / 0.28m (11.1") (Tele)
Maximum Magnification Ratio
1:5.8 (Wide) / 1:9.1 (Tele)
Optics & Accessories
Angle of View (diagonal)
121°58′ - 94°30' (for full-frame mirrorless format)
Optical Construction
17 elements in 12 groups
Standard Accessory
Lens caps, Wrapping cloth
Compatibility, Warranty & Product Brochure
Mount
Sony E, Nikon Z
Warranty
Product Brochure
Lens Compatibility Checker
Visit TAMRON Global site >>
* Length is the distance from the front tip of the lens to the lens mount face.
** The circular diaphragm stays almost perfectly circular up to two stops down from maximum aperture.
Specifications, appearance, functionality, etc. are subject to change without prior notice.
This product is developed, manufactured, and sold based on the specifications of E-mount which was disclosed by Sony Corporation under the license agreement with Sony Corporation.
This product is developed, manufactured, and sold under the license agreement with Nikon Corporation.
Release Date
Sony E: July 30, 2026
Nikon Z: August 27, 2026
Does this lens Fit my Camera?
Learn more about lens compatibility using our checker by visiting the TAMRON Global website.
Does this lens Fit my Camera?
Learn more about lens compatibility using our checker by visiting the TAMRON Global website.
MTF
Optical Construction
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