Canon 1.4x EF Extender III
Canon
49 Overall Score
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Tamron
100 Overall Score
Scores
Video Cinema
Professional
Budget
Travel
Macro
Portrait
Landscape
Street
Wildlife Sports
Specifications
| Canon 1.4x EF Extender III | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | |
|---|---|---|
| Optics | ||
| Type | super-telephoto | zoom |
| Focal Length Min | — | 17 mm |
| Focal Length Max | — | 70 mm |
| Elements | 7 | 16 |
| Groups | 3 | 12 |
| Aspherical Elements | — | 3★ |
| ED Elements | — | 2★ |
| Coating | Super Spectra coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | — | f/2.8 |
| Min Aperture | — | f/2.8 |
| Constant | — | ✓★ |
| Diaphragm Blades | — | 9★ |
| Build | ||
| Mount | Canon EF | Fujifilm X |
| Format | — | APS-C★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.22 kg★ | 0.54 kg |
| Filter Thread | — | 67 mm |
| AF & Stabilization | ||
| AF Type | — | RXD |
| Stabilization | — | ✓★ |
| Focus | ||
| Min Focus Distance | — | 190 mm★ |
| Max Magnification | 1.4x★ | 1:4.8 |
Pros & Cons
Canon 1.4x EF Extender III
- Strong build (90th percentile)90th %ile
- Strong aperture (67th percentile)
- Strong bokeh (66th percentile)
- Below average macro (14th percentile)14th %ile
- Below average versatility (33rd percentile)
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
- Strong optical (91st percentile)91st %ile
- Strong versatility (89th percentile)89th %ile
- Strong bokeh (87th percentile)87th %ile
- Strong macro (86th percentile)86th %ile
Pricing
Canon 1.4x EF Extender III0.118score per dollar
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD0.161score per dollar
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD offers 1.4x better value for money
Canon 1.4x EF Extender III
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Verdict
Winner: Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Scores 100 overall, wins 9 of 9 usage categories and 7 of 21 specs.
