Sony FE 16-35mm F2.8 GM II vs Tamron 20-40mm F/2.8 Di III VXD
Every published spec side by side, with today's lowest prices for the market you've chosen.
Key differences
- Aperture blades: 11 on the FE 16-35mm F2.8 GM II, against 9 on the 20-40mm F/2.8 Di III VXD.
- Closest focus: 0.17 m on the 20-40mm F/2.8 Di III VXD, against 0.22 m on the FE 16-35mm F2.8 GM II.
- Max magnification: 0.32× on the FE 16-35mm F2.8 GM II, against 0.26× on the 20-40mm F/2.8 Di III VXD.
- Aperture ring: Yes on the FE 16-35mm F2.8 GM II, against No on the 20-40mm F/2.8 Di III VXD.
- Weight: 365 g on the 20-40mm F/2.8 Di III VXD, against 547 g on the FE 16-35mm F2.8 GM II.
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|---|---|---|
| Lowest price today | $2,549 new $2,099.99 used | $699 new |
| Optics | ||
| Focal length | 16–35mm | 20–40mm |
| 35mm equivalent | 16–35mm (full frame) | 20–40mm (full frame) |
| Maximum apertureLower f-number lets in more light. A zoom wins only when it is as bright at both ends. | f/2.8 | f/2.8 |
| Minimum aperture | f/22 | f/22 |
| Made for | Full frame | Full frame |
| Elements / groups | 15 / 12 | 12 / 11 |
| Aperture blades | 11 (best) | 9 |
| Closest focus | 0.22 m | 0.17 m (best) |
| Max magnification | 0.32× (best) | 0.26× |
| Focus & handling | ||
| Autofocus | Yes (XD Linear) | Yes (VXD) |
| Optical stabilisation | No | No |
| Weather sealed | Yes | Yes |
| Internal zoom | No | No |
| Aperture ring | Yes (best) | No |
| Teleconverter compatible | No | No |
| Size & weight | ||
| Weight | 547 g | 365 g (best) |
| Diameter × length | 87.8 × 111.5 mm | 74.4 × 86.5 mm |
| Filter thread | 82 mm | 67 mm |
Green marks the better figure where “better” is unambiguous. A dash means the maker doesn't publish it or we haven't verified it yet.

