Compare lenses
Up to four at a time, prices for United States.
 |  | |
|---|---|---|
| Lowest price today | $150 used | $1,349 new $549 used |
| Optics | ||
| Focal length | 20mm | 18mm |
| 35mm equivalent | 20mm (full frame) | 18mm (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/16 | f/22 |
| Made for | Full frame | Full frame |
| Elements / groups | 10 / 8 | 11 / 10 |
| Aperture blades | 7 | — |
| Closest focus | 0.19 m (best) | 0.25 m |
| Max magnification | 0.17× (best) | 0.10× |
| Focus & handling | ||
| Autofocus | Yes (STM) | Yes (Linear motor) |
| Optical stabilisation | No | No |
| Weather sealed | — | Yes |
| Internal zoom | — | — |
| Aperture ring | — | No |
| Teleconverter compatible | No | No |
| Size & weight | ||
| Weight | 157 g (best) | 330 g |
| Diameter × length | 65 × 59.5 mm | 78 × 80 mm |
| Filter thread | 52 mm | 77 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.