Tamron Di III F050 20mm
Focal length 20mm
Aperture f/2.8
Mount Sony E
Weather Sealed Yes
Weight 227 g
af type OSD
lens type prime
73 Overall Score
Price €363
Snapshot
Pros & Cons
Pros
- Strong macro (92nd percentile) 92nd
- Strong build (91st percentile) 91st
- Strong aperture (84th percentile) 84th
- Strong bokeh (81st percentile) 81st
Cons
- Below average versatility (34th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has held steady over time
Based on 24 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 20 |
| Focal Length Max | 20 |
| Elements | 10 |
| Groups | 9 |
| Coating | Fluorine coating, Broad-Band Anti-Reflection coating |
Aperture
| Max Aperture | f/2.8 |
| Min Aperture | f/2.8 |
| Constant | Yes |
| Diaphragm Blades | 7 |
Build
| Mount | Sony E |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.2 kg / 0.5 lbs |
| Filter Thread | 67 |
AF & Stabilization
| AF Type | OSD |
| Stabilization | No |
Focus
| Min Focus Distance | 119 |
| Max Magnification | 1:2 |
vs Competition
| Spec | Tamron Di III F050 20mm | 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 PZ 16-50mm f/3.5-5.6 OSS | GoPro HB-Series AEWAL-001 |
|---|---|---|---|---|---|---|
| Focal Length | 20mm | 18-50mm | 17-28mm | 12-35mm | 16-50mm | - |
| Max Aperture | f/2.8 | f/2.8 | f/2.8 | f/2.8 | f/3.5 | f/0 |
| Mount | Sony E | Sony E | Nikon Z | Micro Four Thirds | Sony E | GoPro HERO Black Mount |
| Stabilization | false | false | false | true | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 227 | 290 | 450 | 306 | 107 | 100 |
| AF Type | OSD | stepping motor | Stepping Motor | Autofocus | Autofocus | - |
| Lens Type | prime | zoom | zoom | zoom | zoom | wide-angle |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Tamron Di III F050 20mm | 53.6 | 81.2 | 90.7 | 91.6 | 56.8 | 83.5 | 33.6 | 63.5 | 37 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 87.7 | 81.2 | 86.6 | 90.9 | 82.5 | 83.5 | 78.5 | 89.6 | 37 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87.7 | 86.4 | 76.1 | 85.1 | 88.4 | 83.5 | 68 | 69.4 | 37 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.6 | 81.2 | 85.9 | 50.7 | 86.8 | 83.5 | 80.4 | 85.1 | 96.9 |
| Sony E PZ 16-50mm f/3.5-5.6 OSS Compare | 53.6 | 74.6 | 98.6 | 43.7 | 69.2 | 76.7 | 83.2 | 80.6 | 93.5 |
| GoPro HB-Series AEWAL-001 Compare | 53.6 | 100 | 98.7 | 14.1 | 46.3 | 100 | 33.6 | 82.7 | 82.7 |
Price
Value & Pricing
From €363
Amazon.es 1 offer From €363
We started tracking prices for this product on Jul 22, 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.
