Sony - FE 50mm f/1.4 GM vs Tamron - 28-75mm f/2.8 Di III VXD G2
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Sony - FE 50mm f/1.4 GM | Tamron - 28-75mm f/2.8 Di III VXD G2 |
|---|---|---|
| Weight | 516 g | 540 g |
| Min focal | 50 mm | 28 mm |
| Max focal | 50 mm | 75 mm |
Between the FE 50mm f/1.4 GM and 28-75mm f/2.8 Di III VXD G2, the FE 50mm f/1.4 GM comes out ahead in weight / min focal, while the 28-75mm f/2.8 Di III VXD G2 wins on max focal. Overall, the FE 50mm f/1.4 GM scores 69.5 and the 28-75mm f/2.8 Di III VXD G2 scores 69 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (69.5 vs 69). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the FE 50mm f/1.4 GM if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight, min focal. The single most decisive one: Weight — 24.00 g less. 516 vs 540.
Pick the 28-75mm f/2.8 Di III VXD G2 if you care most about max focal. Its strongest claims are max focal. The single most decisive one: Max focal: 75 (vs 50).
Both ship with comparable weather sealed, optical stabilization, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Sony - FE 50mm f/1.4 GM or Tamron - 28-75mm f/2.8 Di III VXD G2?
Sony - FE 50mm f/1.4 GM leads the current Mars Score by 0.5 points.The more useful decision is the trade-off behind that result: compare min focal, max focal, weight against the way you will actually use the product.
Choose Sony - FE 50mm f/1.4 GM if…
Sony - FE 50mm f/1.4 GM has the measurable edge on weight g, focal min mm.
Choose Tamron - 28-75mm f/2.8 Di III VXD G2 if…
Tamron - 28-75mm f/2.8 Di III VXD G2 has the measurable edge on focal max mm.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Sony - FE 50mm f/1.4 GM wins
- ▲Weight — 24.00 g less. 516 vs 540.
- ▲Min focal: 50 (vs 28).
Why Tamron - 28-75mm f/2.8 Di III VXD G2 wins
- ▲Max focal: 75 (vs 50).
Spec comparison
Optics
| Spec | Sony - FE 50mm f/1.4 GM | Tamron - 28-75mm f/2.8 Di III VXD G2 |
|---|---|---|
| Min focal | 50 mmlead | 28 mm |
| Max focal | 50 mm | 75 mmlead |
| Max aperture | f/1.4 | f/2.8 |
| Min aperture | f/16 | f/22 |
Build
| Spec | Sony - FE 50mm f/1.4 GM | Tamron - 28-75mm f/2.8 Di III VXD G2 |
|---|---|---|
| Weight | 516 glead | 540 g |
| Weather sealedⓘ | true | true |
| Optical stabilizationⓘ | false | false |
Mount
| Spec | Sony - FE 50mm f/1.4 GM | Tamron - 28-75mm f/2.8 Di III VXD G2 |
|---|---|---|
| Lens mount | Sony E | Sony E |