Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Sony G Master 100-400mm F4.5-5.6 GM OSS
Scores
Specifications
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Sony G Master 100-400mm F4.5-5.6 GM OSS | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 17 mm | 100 mm |
| Focal Length Max | 70 mm | 400 mm |
| Elements | 16 | 22 |
| Groups | 12 | 16 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 2 | 3★ |
| Coating | Fluorine Coating | Nano AR Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/4.5 |
| Min Aperture | f/2.8 | 4.5-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | 1.76 kg |
| Filter Thread | 67 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | RXD | double linear motor and Direct Drive SSM★ |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | — | 5 stops★ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 400 mm |
| Max Magnification | 1:4.8★ | 0.35x |
Pros & Cons
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 social proof (86th percentile)86th %ile
- Strong bokeh (86th percentile)86th %ile
Sony G Master 100-400mm F4.5-5.6 GM OSS
- Strong af (98th percentile)98th %ile
- Strong optical (98th percentile)98th %ile
- Strong stabilization (97th percentile)97th %ile
- Strong versatility (88th percentile)88th %ile
- Below average build (16th percentile)16th %ile
Pricing
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD offers 5.0x better value for money
Verdict
Scores 99 overall, wins 8 of 9 usage categories and 5 of 22 specs.