Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS 300mm
What Buyers Say
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD
The Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD is widely praised as a versatile all-in-one zoom for Sony APS-C cameras. Users love the incredible 16.6x range, close focusing at the wide end, and solid image quality, though some note softness beyond 70-80mm and slow autofocus. The lens is heavier than typical crop-sensor lenses but still considered portable. A few verified buyers report issues with sharpness at the telephoto end and a stiff zoom ring, but the majority find it an excellent walk-around lens that replaces multiple primes and zooms.
Pros
- Incredible 16.6x zoom range
- Close focusing at wide end (semi-macro)
- Good image quality and color rendition
- Solid build with weather sealing
- Effective vibration compensation (VC)
Cons
- Softness beyond 70-80mm
- Slow autofocus compared to smaller zooms
- Heavy and bulky for APS-C
- Stiff zoom ring when zooming out
- Moderate distortion at both ends
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS 300mm
No customer feedback yet
Scores
Specifications
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS 300mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 16 mm |
| Focal Length Max | 300 mm | 300 mm |
| Elements | 19 | 20 |
| Groups | 5 | 14 |
| Aspherical Elements | 3 | 4★ |
| ED Elements | 4 | 5★ |
| Coating | Fluorine Coating | water- and oil-repellent coating |
| Aperture | ||
| Max Aperture | f/3.5 | f/3.5 |
| Min Aperture | 3.5-6.3 | 3.5-6.7 |
| Constant | ✗ | ✗ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.62 kg | 0.61 kg★ |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | VXD linear motor★ | HLA |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | — | 6 stops★ |
| Focus | ||
| Min Focus Distance | 150 mm★ | 170 mm |
| Max Magnification | 1:2 | 1:2 |
Pros & Cons
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD
- Strong versatility (99th percentile)99th %ile
- Strong af (98th percentile)98th %ile
- Strong optical (95th percentile)95th %ile
- Strong macro (89th percentile)89th %ile
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS 300mm
- Strong versatility (100th percentile)100th %ile
- Strong optical (99th percentile)99th %ile
- Strong stabilization (99th percentile)99th %ile
- Strong macro (88th percentile)88th %ile
Pricing
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD offers 1.4x better value for money
Verdict
Scores 100 overall, wins 6 of 9 usage categories and 2 of 22 specs.