Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Panasonic Lumix G H-H025K 25mm
What Buyers Say
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
The Tamron 17-70mm f/2.8 Di III-A VC RXD lens is widely praised for its sharpness, versatile zoom range, constant aperture, and effective stabilization, making it an excellent all-around lens for APS-C cameras. Users appreciate its solid build quality and value for money, though many note it is noticeably heavier and larger than typical kit lenses, which can feel unbalanced on smaller camera bodies. A few reviewers mention minor issues like chromatic aberration at the longer end and noise from the aperture blades at certain settings, but overall sentiment is very positive.
Pros
- sharp image quality across zoom range
- constant f/2.8 aperture
- effective image stabilization
- fast and quiet autofocus
- versatile 17-70mm focal range
Cons
- heavy and large for APS-C body
- chromatic aberration at 50-70mm
- aperture blade noise above f/5.6
- short zoom throw initially stiff
- no aperture ring on Fuji version
Panasonic Lumix G H-H025K 25mm
No customer feedback yet
Scores
Specifications
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Panasonic Lumix G H-H025K 25mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 25 mm |
| Focal Length Max | 70 mm | 25 mm |
| Elements | 16 | 8 |
| Groups | 12 | 7 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 2★ | — |
| Coating | Fluorine Coating | Nano Surface Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| Min Aperture | f/2.8 | f/1.7 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9★ | 7 |
| Build | ||
| Mount | Sony E | Micro Four Thirds |
| Format | APS-C★ | micro-four-thirds |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg | 0.13 kg★ |
| Filter Thread | 67 mm | 46 mm |
| AF & Stabilization | ||
| AF Type | RXD | Stepping AF Motor |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 250 mm |
| Max Magnification | 1:4.8★ | 0.14x |
Pros & Cons
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
- Strong optical (90th percentile)90th %ile
- Strong versatility (90th percentile)90th %ile
- Strong bokeh (89th percentile)89th %ile
- Strong aperture (86th percentile)86th %ile
Panasonic Lumix G H-H025K 25mm
- Strong build (93rd percentile)93rd %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (86th percentile)86th %ile
- Below average bokeh (14th percentile)14th %ile
- Below average aperture (22nd percentile)
- Below average versatility (34th percentile)
Pricing
Panasonic Lumix G H-H025K 25mm offers 1.4x better value for money
Verdict
Scores 97 overall, wins 9 of 9 usage categories and 8 of 21 specs.
