Tamron 11-20mm F/2.8 Di III-A RXD vs Tokina atx-m 11-18mm F2.8
Every published spec side by side, with today's lowest prices for the market you've chosen.
Key differences
- Aperture blades: 9 on the atx-m 11-18mm F2.8, against 7 on the 11-20mm F/2.8 Di III-A RXD.
- Closest focus: 0.15 m on the 11-20mm F/2.8 Di III-A RXD, against 0.19 m on the atx-m 11-18mm F2.8.
- Max magnification: 0.25× on the 11-20mm F/2.8 Di III-A RXD, against 0.11× on the atx-m 11-18mm F2.8.
11-20mm F/2.8 Di III-A RXD or atx-m 11-18mm F2.8: which should you buy?
Choose the 11-20mm F/2.8 Di III-A RXD for its closest focus and max magnification.
Choose the atx-m 11-18mm F2.8 for its aperture blades.
On paper the 11-20mm F/2.8 Di III-A RXD wins more rows (2 to 1); if the atx-m 11-18mm F2.8'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 | $543 new $416.64 used | Not priced in US yet |
| Optics | ||
| Focal length | 11–20mm | 11–18mm |
| 35mm equivalent | 17–30mm equivalent (18–32mm on Canon) | 17–27mm equivalent |
| 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/16 | f/22 |
| Made for | APS-C | APS-C |
| Elements / groups | 12 / 10 | 13 / 11 |
| Aperture blades | 7 | 9 (best) |
| Closest focus | 0.15 m (best) | 0.19 m |
| Max magnification | 0.25× (best) | 0.11× |
| Focus & handling | ||
| Autofocus | Yes (RXD) | Yes (ST-M) |
| Optical stabilisation | No | No |
| Weather sealed | Yes | — |
| Internal zoom | — | — |
| Aperture ring | No | No |
| Teleconverter compatible | No | No |
| Size & weight | ||
| Weight | 335 g | 335 g |
| Diameter × length | 73 × 86.2 mm | 74 × 74 mm |
| Filter thread | 67 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.