Rokinon IO2470AFZ 70mm
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
What Buyers Say
Rokinon IO2470AFZ 70mm
This lens has received overwhelmingly negative feedback due to severe build quality issues. Multiple verified buyers report that the lens mount breaks off within days or months, often due to tiny screws stripping plastic threads. Users also criticize Rokinon's poor customer support, with some unable to get replacements or repairs. A few Q&A responses note decent optical quality, but the structural failures make this lens unreliable.
Pros
- Decent optical quality
- Good value for money initially
Cons
- Lens mount breaks easily
- Poor build quality with plastic threads
- Terrible customer support
- Screws strip and fall out
- Lens falls off camera
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
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
Scores
Specifications
| Rokinon IO2470AFZ 70mm | Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 24 mm | 28 mm |
| Focal Length Max | 70 mm | 300 mm |
| Elements | 17 | 20 |
| Groups | 14 | 13 |
| Aspherical Elements | 2 | 3★ |
| ED Elements | 3★ | 2 |
| Coating | UMC Coating | fluorine coating |
| Aperture | ||
| Max Aperture | f/22 | f/4 |
| Min Aperture | f/2.8 | 4-7.1 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Sony E | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 1.10 kg | 0.59 kg★ |
| Filter Thread | 82 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | LSM (Linear Sonic Motor) | VXD linear motor★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 350 mm | 190 mm★ |
| Max Magnification | 1:3.7 | 1:2.8 |
Pros & Cons
Rokinon IO2470AFZ 70mm
- Strong optical (93rd percentile)93rd %ile
- Strong versatility (81st percentile)81st %ile
- Below average user sentiment (0th percentile)0th %ile
- Below average social proof (5th percentile)5th %ile
- Below average aperture (22nd percentile)
- Below average bokeh (25th 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
Scores 100 overall, wins 9 of 9 usage categories and 5 of 21 specs.