Canon Extender RF 2x 1mm
Canon
49 Overall Score
vs
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
Tamron
100 Overall Score
What Buyers Say
Canon Extender RF 2x 1mm
No customer feedback yet
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
92 out of 100 medium confidence 13 reviews
The Tamron 28-300mm super-zoom wins praise for its lightweight design, versatile focal range, and solid image quality. Users appreciate the compact build and smooth zoom mechanism, but note the slow aperture and trade-offs in sharpness compared to more expensive zooms. Verified reviewers find it an ideal travel lens that pairs well with Sony bodies.
Pros
- Lightweight design
- Versatile 28-300mm focal range
- Smooth zoom ring operation
- Compact build for travel
- Good integration with Sony bodies
Cons
- Small maximum aperture (f/4-7.1)
- Reduced sharpness vs. premium zooms
- Not an internal zoom lens
- Slow autofocus at high fps on some bodies
Build quality 3
Sharpness 3
Aperture 2
Weight and portability 3
Zoom range 4
Autofocus performance 1
Scores
Macro
Budget
Landscape
Portrait
Professional
Wildlife Sports
Travel
Street
Video Cinema
Specifications
| Canon Extender RF 2x 1mm | Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm | |
|---|---|---|
| Optics | ||
| Type | telephoto | zoom |
| Focal Length Min | 1 mm | 28 mm |
| Focal Length Max | 1 mm | 300 mm |
| Elements | 9 | 20 |
| Groups | 5 | 13 |
| Aspherical Elements | — | 3★ |
| ED Elements | — | 2★ |
| Coating | heat shield coating | fluorine coating |
| Aperture | ||
| Max Aperture | f/2 | f/4 |
| Min Aperture | — | 4-7.1 |
| Constant | — | ✗ |
| Diaphragm Blades | — | 9★ |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.34 kg★ | 0.59 kg |
| Filter Thread | — | 67 mm |
| AF & Stabilization | ||
| AF Type | — | VXD linear motor★ |
| Stabilization | — | ✓★ |
| Focus | ||
| Min Focus Distance | — | 190 mm★ |
| Max Magnification | 2.0x★ | 1:2.8 |
Pros & Cons
Canon Extender RF 2x 1mm
- Strong aperture (93rd percentile)93rd %ile
- Strong bokeh (92nd percentile)92nd %ile
- Strong build (77th percentile)
- Below average macro (12th percentile)12th %ile
- Below average social proof (28th percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
- Strong versatility (98th percentile)98th %ile
- Strong af (98th percentile)98th %ile
- Strong optical (96th percentile)96th %ile
- Strong user sentiment (92nd percentile)92nd %ile
Verdict
Winner: Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
Scores 100 overall, wins 9 of 9 usage categories and 6 of 21 specs.