Tamron - 28-75mm f/2.8 Di III VXD G2 vs Voigtländer - APO-Lanthar 50mm f/2 SE
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Tamron - 28-75mm f/2.8 Di III VXD G2 | Voigtländer - APO-Lanthar 50mm f/2 SE |
|---|---|---|
| Weight | 540 g | 364 g |
| Weather sealed | true | false |
| Max focal | 75 mm | 50 mm |
| Min focal | 28 mm | 50 mm |
Between the 28-75mm f/2.8 Di III VXD G2 and APO-Lanthar 50mm f/2 SE, the 28-75mm f/2.8 Di III VXD G2 comes out ahead in weather sealed / max focal, while the APO-Lanthar 50mm f/2 SE wins on weight / min focal. Overall, the 28-75mm f/2.8 Di III VXD G2 scores 69 and the APO-Lanthar 50mm f/2 SE scores 70.9 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (69 vs 70.9). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the 28-75mm f/2.8 Di III VXD G2 if you care most about weather sealed / max focal. The biggest gaps in its favor are weather sealed, max focal. The single most decisive one: Has Weather sealed.
Pick the APO-Lanthar 50mm f/2 SE if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, min focal. The single most decisive one: Weight — 176.00 g less. 364 vs 540.
Both ship with comparable 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: Tamron - 28-75mm f/2.8 Di III VXD G2 or Voigtländer - APO-Lanthar 50mm f/2 SE?
Voigtländer - APO-Lanthar 50mm f/2 SE leads the current Mars Score by 1.9 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 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 weather sealed, focal max mm.
Choose Voigtländer - APO-Lanthar 50mm f/2 SE if…
Voigtländer - APO-Lanthar 50mm f/2 SE has the measurable edge on weight g, focal min 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 Tamron - 28-75mm f/2.8 Di III VXD G2 wins
- ▲Has Weather sealed.
- ▲Max focal: 75 (vs 50).
Why Voigtländer - APO-Lanthar 50mm f/2 SE wins
- ▲Weight — 176.00 g less. 364 vs 540.
- ▲Min focal: 50 (vs 28).
Spec comparison
Optics
| Spec | Tamron - 28-75mm f/2.8 Di III VXD G2 | Voigtländer - APO-Lanthar 50mm f/2 SE |
|---|---|---|
| Min focal | 28 mm | 50 mmlead |
| Max focal | 75 mmlead | 50 mm |
| Max aperture | f/2.8 | f/2 |
| Min aperture | f/22 | f/22 |
Build
| Spec | Tamron - 28-75mm f/2.8 Di III VXD G2 | Voigtländer - APO-Lanthar 50mm f/2 SE |
|---|---|---|
| Weight | 540 g | 364 glead |
| Weather sealedⓘ | truelead | false |
| Optical stabilizationⓘ | false | false |
Mount
| Spec | Tamron - 28-75mm f/2.8 Di III VXD G2 | Voigtländer - APO-Lanthar 50mm f/2 SE |
|---|---|---|
| Lens mount | Sony E | Sony E |