Tamron 11-20mm F/2.8 Di III-A RXD Lens
The Tamron 11-20mm f/2.8 RXD is a 11–20mm f/2.8 lens designed for Sony E mount cameras. Used copies start from $504.9 on GearFocus, with buyer protection on every purchase.
Tamron 11-20mm F/2.8 Di III-A RXD Lens
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Lens Overview — Tamron 11-20mm f/2.8 RXD
Key Features — Tamron 11-20mm f/2.8 RXD
11-20mm Ultra Wide Zoom: Covers a versatile ultra wide-angle range suited to landscapes, architecture, interiors, and environmental portraits on APS-C bodies.
Constant f/2.8 Aperture: Maintains a maximum aperture of f/2.8 throughout the entire zoom range, ensuring consistent light-gathering performance at any focal length.
Sony E Mount, APS-C: Designed specifically for Sony E mount APS-C mirrorless cameras, with optical coverage optimized for that sensor size.
RXD Autofocus Motor: Tamron's Rapid eXtra-silent stepping Drive motor delivers fast, quiet autofocus well-suited for both stills and video.
Compact 335g Build: At just 335g, the lens pairs naturally with the lightweight bodies common in the APS-C mirrorless category without adding significant bulk.
67mm Filter Thread: Uses a widely available 67mm filter diameter, making it straightforward to adapt existing filter systems including ND and polarizer sets.
Lens Specifications — Tamron 11-20mm f/2.8 RXD
| Spec | Detail |
|---|---|
| Use Cases | Travel |
| Lens Type | Ultra Wide-Angle |
| Format | APS-C |
| Zoom/Prime | Zoom |
| Focal Length | 11–20mm |
| Maximum Aperture | f/2.8 |
| Camera System | Mirrorless |
| Lens Mount | Sony E |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | None |
| Filter Thread | 67mm |
Description — Tamron 11-20mm f/2.8 RXD
The Tamron 11-20mm F/2.8 Di III-A RXD is an ultra wide-angle zoom lens purpose-built for APS-C mirrorless cameras on the Sony E mount. It spans a focal length range of 11mm to 20mm, offering a broad field of view ideal for expansive scenes, architectural interiors, and close-environment shooting. A standout feature is the constant f/2.8 maximum aperture that holds steady across the entire zoom range, providing consistent light intake whether you're at 11mm or 20mm.
The lens supports both autofocus and manual focus, accommodating a variety of shooting styles and subject types. Weighing just 335g, it maintains a compact footprint that complements the lightweight nature of APS-C mirrorless systems. The 67mm filter thread makes it easy to attach standard filters without hunting for uncommon sizes.
It is worth noting that this lens carries no optical image stabilization, so shooters working in low-light environments should be aware of that tradeoff when planning handheld work.
Pros — Tamron 11-20mm f/2.8 RXD
- ✓Constant f/2.8 maximum aperture across the full 11–20mm zoom range
- ✓Ultra wide-angle zoom type offers strong compositional flexibility
- ✓Lightweight at just 335g, well-suited for compact APS-C mirrorless systems
Cons — Tamron 11-20mm f/2.8 RXD
- ✗No optical image stabilization, which can be a limitation in low-light handheld shooting
- ✗APS-C-only lens format limits compatibility to APS-C bodies; not usable on full-frame Sony E mount cameras at full image circle
- ✗Sony E mount only — not compatible with other mirrorless or DSLR systems
Videos — Tamron 11-20mm f/2.8 RXD
Tamron 11-20mm f/2.8 for X-Mount Review: Fujifilm NEEDED This! — PetaPixel
Frequently Asked Questions — Tamron 11-20mm f/2.8 RXD
What camera mount does this lens fit?+
The Tamron 11-20mm F/2.8 Di III-A RXD is built for the Sony E mount. It is designed specifically for APS-C format mirrorless cameras within that system.
Does this lens have image stabilization?+
No, this lens does not include optical image stabilization — the imageStabilization specification is listed as None. Users relying on stabilization will need to depend on in-body stabilization if their camera body provides it.
What is the maximum aperture of this lens?+
The lens features a maximum aperture of f/2.8, and this aperture is maintained consistently across the full 11–20mm focal length range.
Does this lens support autofocus?+
Yes, autofocus is supported, and the lens also allows manual focus operation. Both focus modes are available according to the specifications.
What filter size does this lens use?+
The Tamron 11-20mm F/2.8 uses a 67mm filter thread, which is a broadly available size compatible with a wide range of third-party filter systems.
How heavy is this lens?+
The lens weighs 335g, making it a relatively lightweight option that pairs naturally with compact APS-C mirrorless camera bodies.