Sony 10-20mm f4 PZ G vs Tamron 28-75mm f/2.8 Di III VXD G2
It's a trade-off
The Sony 10-20mm f4 PZ G and Tamron 28-75mm f/2.8 Di III VXD G2 differ mainly in focal length — 10-20mm versus 28-75mm — so the right choice comes down to the field of view you want rather than one lens outperforming the other. The Sony 10-20mm f4 PZ G offers a lower price (£82.68 less) and a lighter body (362g less), while the Tamron 28-75mm f/2.8 Di III VXD G2 offers a wider f/2.8 aperture and closer minimum focusing.
Our take: If you're unsure, the Sony 10-20mm f4 PZ G is the safer value pick — step up to the Tamron 28-75mm f/2.8 Di III VXD G2 only if you want more reach (28-75mm), a wider f/2.8 aperture and closer minimum focusing.
Which should you buy?
It really comes down to field of view — 10-20mm versus 28-75mm — pick the one that frames what you shoot.
Sony 10-20mm f4 PZ G
…if you want:
- A broader field of view (10-20mm)
- A lower price (£82.68 less)
- A lighter body (362g less)
Tamron 28-75mm f/2.8 Di III VXD G2
…if you want:
- More reach (28-75mm)
- A wider f/2.8 aperture
- Closer minimum focusing
Full specifications
| Sony 10-20mm f4 PZ G | Tamron 28-75mm f/2.8 Di III VXD G2 | |
|---|---|---|
| Price £452.32on eBay Cheaper | Price £535on eBay | |
| BrandSony | BrandTamron | |
Sensor Format
| Sensor Format
| |
| ⚠️ These lenses cover different sensor formats — crop factor applies when comparing focal lengths. | ||
Mount
| Mount
| |
| CategoryUltra Wide | CategoryWide | |
| Use Case ArchitecturalLandscapeTravelVideographyVlogging | Use Case EventEverydayLow LightPortraitTravel | |
| Focal Length10mm - 20mm | Focal Length28mm - 75mm | |
| Angle of View102° - 70° | Angle of View75.4° - 32.1° | |
| Aperture f/4 (max)f/22 (min) | Aperture f/2.8 (max)f/22 (min) Wider aperture | |
| Blades7 | Blades9 Smoother bokeh | |
| Circular ApertureYes | Circular ApertureYes | |
| Min Focus Distance0.2m | Min Focus Distance0.18m Focuses closer | |
| Max Magnification0.17x | Max Magnification1:2.7 | |
| Filter Diameter62mm | Filter Diameter67mm | |
| Weight178g Lighter | Weight540g | |
| StabilizationNo (relies on camera) | StabilizationNo (relies on camera) | |
| Auto FocusYes | Auto FocusYes | |
| Release Date2022 | Release Date2021 | |
| View full detailsSony 10-20mm f4 PZ G | View full detailsTamron 28-75mm f/2.8 Di III VXD G2 | |






















