Tamron Di III 11-20mm f/2.8 -A RXD
Its constant f/2.8 aperture across an 11–20mm zoom (16.5–30mm full-frame equivalent) delivers low-light flexibility and an ultra-wide field of view in a compact, silent-focusing RXD design. The bundle includes a 67mm filter kit and hood, adding immediate utility without extra cost. This lens suits APS-C vloggers and landscape photographers needing a bright, portable wide zoom for tight interiors and expansive scenery.
Focal length 11-20mm
Aperture f/2.8
Weight 912 g
lens type zoom
38 Overall Score
Price ¥0
Snapshot
Pros & Cons
Pros
- Strong aperture (84th percentile) 84th
- Strong bokeh (82nd percentile) 82nd
- Strong versatility (69th percentile) 69th
Cons
- Below average build (7th percentile)
- Below average macro (14th percentile)
- Below average optical (20th percentile)
- Below average social proof (29th percentile)
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Zoom |
| Focal Length Min | 11 |
| Focal Length Max | 20 |
Aperture
| Max Aperture | f/2.8 |
| Constant | Yes |
Build
| Weight | 0.9 kg / 2.0 lbs |
vs Competition
| Spec | Tamron Di III 11-20mm f/2.8 -A RXD | Sigma Contemporary 18-50mm f/2.8 DC DN | Nikon NIKKOR Z 17-28mm f/2.8 | Panasonic Leica DG Vario-Elmarit H-ES12035 | Sony E 18-135mm f/3.5-5.6 OSS | Viltrox Pro AF 27mm f/1.2 |
|---|---|---|---|---|---|---|
| Focal Length | 11-20mm | 18-50mm | 17-28mm | 12-35mm | 18-135mm | 27mm |
| Max Aperture | f/2.8 | f/2.8 | f/2.8 | f/2.8 | f/3.5 | f/1.2 |
| Mount | - | Sony E | Nikon Z | Micro Four Thirds | Sony E | Sony E |
| Stabilization | false | false | false | true | true | false |
| Weather Sealed | false | true | true | true | false | true |
| Weight (g) | 912 | 290 | 450 | 306 | 326 | 560 |
| AF Type | - | stepping motor | Stepping Motor | Autofocus | Linear motor | STM |
| Lens Type | zoom | zoom | zoom | zoom | zoom | prime |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Tamron Di III 11-20mm f/2.8 -A RXD | 53.9 | 82.1 | 7 | 14.2 | 20.2 | 84.2 | 69.3 | 29 | 36.8 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 86.9 | 82.1 | 86.1 | 91.7 | 82.2 | 84.2 | 78.6 | 89.6 | 36.8 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 86.9 | 87.3 | 75.2 | 85.8 | 88.2 | 84.2 | 68 | 69.1 | 36.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.9 | 82.1 | 85.4 | 51 | 86.5 | 84.2 | 80.6 | 85.1 | 96.9 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98 | 75.7 | 72.5 | 40.3 | 78.5 | 77.6 | 95.8 | 89.6 | 82.4 |
| Viltrox Pro AF 27mm f/1.2 Compare | 86.9 | 98.5 | 67.4 | 38.5 | 82.2 | 98.6 | 33.6 | 89.6 | 36.8 |
Price
Value & Pricing
We started tracking prices for this product on May 30, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
