Canon RF 10-20mm F4L IS STM Lens
- Front & Rear Caps
- Pouch
- 10-20mm ultrawide focal length
- Constant f/4 maximum aperture
- Advanced rectilinear optical design
- Peripheral Control Image Stabiliser
- STM autofocus
- Rear filter holder
- Lightweight 570g
| Image Size | Full Frame |
| Angle of View (Horzntl, Vertl, Diagnl) | 121°55′- 84° 100°25′ - 62° 130°25′- 94° |
| Lens Construction (Elements/Groups) | 16/12 |
| Special Optics | 1x SUD 3x UD 3x Gmo Apherical (1 element both UD / Aspherical) |
| Number of Diaphragm Blades | 9 |
| Minimum Aperture | 22 |
| Closest Focusing Distance (m) | 0.25 |
| Maximum Magnification (x) | 0.12 (at 20mm) 0.06 ( at 10mm) |
| Control Ring | Yes |
| Image Stabilizer OIS(1) | 5 |
| Image Stabilizer IBIS x OIS(2) | 6 |
| AF Actuator | STM |
| Coatings | ASC, Super Spectra, SWC |
| Fluorine | Front |
| Lens Cap | Lens Cap 10-20 |
| Lens Case/Pouch | LP1219 |
| Rear End Cap | Lens Dust Cap RF |
| Extender Compatibility | Not Compatible |
| Dust/Moisture Resistance | Yes(3) |
| Filter Diameter (mm) | Rear-mounted gelatine filter (35x20mm) |
| Max. Diameter x Length (mm)(4) | 83.7 x 112 |
| Weight (g) | 570g (1) Tested under CIPA standards (2) Tested under CIPA standards (3) Lenses with dust/moisture resistance are fitted with a rubber ring on the lens mount which may cause slight abrasion of the camera mount. This in no way effects either the lens or camera performance. (4) Lens dimensions when in retracted state |