On sale 17%
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 $249
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 24-200mm f/4-6.3 VR | Sony E PZ 16-50mm f/3.5-5.6 OSS | GoPro HB-Series AEWAL-001 | Panasonic LUMIX G H-HS043K |
|---|---|---|---|---|---|---|
| Focal Length | 20mm | 18-50mm | 24-200mm | 16-50mm | - | 42mm |
| Max Aperture | f/2.8 | f/2.8 | f/4 | f/3.5 | f/0 | f/1.7 |
| Mount | Sony E | Sony E | Nikon Z | Sony E | GoPro HERO Black Mount | Micro Four Thirds |
| Stabilization | false | false | true | true | true | true |
| Weather Sealed | true | true | true | true | true | false |
| Weight (g) | 227 | 290 | 570 | 107 | 100 | 130 |
| AF Type | OSD | stepping motor | stepping motor | Autofocus | - | stepping motor |
| Lens Type | prime | zoom | zoom | zoom | wide-angle | prime |
| 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 24-200mm f/4-6.3 VR Compare | 87.7 | 63.9 | 68 | 38.3 | 92.9 | 65.4 | 96.6 | 89.6 | 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 |
| Panasonic LUMIX G H-HS043K Compare | 87.7 | 91.5 | 93.7 | 40 | 52.9 | 93.9 | 33.6 | 89.6 | 82.7 |
Price
Value & Pricing
From $249
Adorama 1 offer From $249
Best Buy 1 offer From $249
Newegg 1 offer From $280
Amazon 1 offer From $299
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
