

An ultra wide-angle zoom lens with dynamic expressive capability for all EF-S mount EOS cameras; exceptionally small and lightweight for maximum mobility.
| Image size | APS-C |
| 35mm film equivalent focal length | 16-35 |
| Angle of view (horizontal, vertical, diagonal) | 97º 10' - 54º 30', 74º 10'- 37º 50', 107º 30' - 63º 30' |
| Lens construction (elements/groups) | 13/10 |
| No. of diaphragm blades | 6 |
| Minimum aperture | 22-27 |
| Closest focusing distance (m) | 0.24 |
| Maximum magnification (x) | 0.17 (at 22mm) |
| Distance information | Yes |
| Image stabilizer | No |
| AF actuator | USM |
| Filter diameter (mm) | 77 |
| Max. diameter x length (mm) | 83.5 x 89.8 |
| Weight (g) | 385 |
| Magnification - Extension Tube EF12 II | 0.77-0.58 |
| Magnification - Extension Tube EF25 II | 1.51-1.28 |

