Sigma 20-200mm F3.5-6.3 DG | Contemporary vs Tamron 25-200mm F/2.8-5.6 Di III VXD G2
Every published spec side by side, with today's lowest prices for the market you've chosen.
Key differences
- Maximum aperture: f/2.8–5.6 on the 25-200mm F/2.8-5.6 Di III VXD G2, against f/3.5–6.3 on the 20-200mm F3.5-6.3 DG | Contemporary.
- Closest focus: 0.16 m on the 25-200mm F/2.8-5.6 Di III VXD G2, against 0.25 m on the 20-200mm F3.5-6.3 DG | Contemporary.
- Max magnification: 0.53× on the 25-200mm F/2.8-5.6 Di III VXD G2, against 0.50× on the 20-200mm F3.5-6.3 DG | Contemporary.
- Weight: 550 g on the 20-200mm F3.5-6.3 DG | Contemporary, against 575 g on the 25-200mm F/2.8-5.6 Di III VXD G2.
20-200mm F3.5-6.3 DG | Contemporary or 25-200mm F/2.8-5.6 Di III VXD G2: which should you buy?
Choose the 20-200mm F3.5-6.3 DG | Contemporary for its weight.
Choose the 25-200mm F/2.8-5.6 Di III VXD G2 for its maximum aperture, closest focus and max magnification.
On paper the 25-200mm F/2.8-5.6 Di III VXD G2 wins more rows (3 to 1); if the 20-200mm F3.5-6.3 DG | Contemporary's strengths are the ones you shoot with, and its price is lower where you buy, it can still be the better buy.
 |  | |
|---|---|---|
| Lowest price today | $899 new $754.95 used | $789 new $739.97 used |
| Optics | ||
| Focal length | 20–200mm | 25–200mm |
| 35mm equivalent | 20–200mm (full frame) | 25–200mm (full frame) |
| Maximum apertureLower f-number lets in more light. A zoom wins only when it is as bright at both ends. | f/3.5–6.3 | f/2.8–5.6 (best) |
| Minimum aperture | f/22 | f/16 |
| Made for | Full frame | Full frame |
| Elements / groups | 18 / 14 | 18 / 14 |
| Aperture blades | 9 | 9 |
| Closest focus | 0.25 m | 0.16 m (best) |
| Max magnification | 0.50× | 0.53× (best) |
| Focus & handling | ||
| Autofocus | Yes (HLA) | Yes (VXD) |
| Optical stabilisation | No | No |
| Weather sealed | Yes | Yes |
| Internal zoom | No | No |
| Aperture ring | No | No |
| Teleconverter compatible | No | No |
| Size & weight | ||
| Weight | 550 g (best) | 575 g |
| Diameter × length | 77.2 × 115.5 mm | 76.2 × 121.5 mm |
| Filter thread | 72 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.