Tamron Di III F050 20mm
Tamron
77 Overall Score
vs
Canon RF 28-70mm f/2.8 IS STM
Canon
86 Overall Score
Scores
Macro
Video Cinema
Street
Budget
Landscape
Travel
Professional
Portrait
Wildlife Sports
Specifications
| Tamron Di III F050 20mm | Canon RF 28-70mm f/2.8 IS STM | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 20 mm | 28 mm |
| Focal Length Max | 20 mm | 70 mm |
| Elements | 10 | 15 |
| Groups | 9 | 12 |
| Aspherical Elements | 1 | 2★ |
| ED Elements | 3★ | 2 |
| Coating | Fluorine Coating, Broad-Band Anti-Reflection Coating | Super Spectra Coating (SSC) |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Canon RF |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.23 kg★ | 0.49 kg |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | OSD | STM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 5.5 stops★ |
| Focus | ||
| Min Focus Distance | 119 mm★ | 239 mm |
| Max Magnification | 1:2 | 1:4.2 |
Pros & Cons
Tamron Di III F050 20mm
- Strong macro (92nd percentile)92nd %ile
- Strong build (90th percentile)90th %ile
- Strong aperture (84th percentile)84th %ile
- Strong bokeh (82nd percentile)82nd %ile
- Below average versatility (34th percentile)
Canon RF 28-70mm f/2.8 IS STM
- Strong stabilization (99th percentile)99th %ile
- Strong user sentiment (98th percentile)98th %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (87th percentile)87th %ile
- Below average aperture (20th percentile)20th %ile
- Below average bokeh (23rd percentile)
Pricing
Tamron Di III F050 20mm0.308score per dollar
vs
Canon RF 28-70mm f/2.8 IS STM0.079score per dollar
Tamron Di III F050 20mm offers 3.9x better value for money
Verdict
Winner: Canon RF 28-70mm f/2.8 IS STM
Scores 86 overall, wins 6 of 9 usage categories and 5 of 22 specs.
