Canon EF 17-40mm f/4.0L USM Specs
Announced Feb 27, 2003
•
Wideangle zoom lens | Canon EF | 8806A002
| Principal specifications | ||
|---|---|---|
| Lens type | Zoom lens | |
| Max Format size | 35mm FF | |
| Focal length | 17–40 mm | |
| Image stabilization | No | |
| Lens mount | Canon EF | |
| Aperture | ||
| Maximum aperture | F4 | |
| Minimum aperture | F22 | |
| Aperture ring | No | |
| Number of diaphragm blades | 7 | |
| Optics | ||
| Elements | 12 | |
| Groups | 9 | |
| Special elements / coatings | Super Spectra coatings | |
| Focus | ||
| Minimum focus | 0.28 m (11.02″) | |
| Maximum magnification | 0.24× | |
| Autofocus | Yes | |
| Motor type | Ultrasonic | |
| Full time manual | Yes | |
| Focus method | Internal | |
| Distance scale | Yes | |
| DoF scale | Yes | |
| Physical | ||
| Weight | 500 g (1.10 lb) | |
| Diameter | 84 mm (3.29″) | |
| Length | 97 mm (3.81″) | |
| Materials | Metal barrel, metal mount | |
| Sealing | Yes | |
| Colour | Black | |
| Zoom method | Rotary (internal) | |
| Power zoom | No | |
| Zoom lock | No | |
| Filter thread | 77 mm | |
| Hood product code | EW-83E | |
| Tripod collar | No | |
| Optional accessories | Soft Case LP1319 | |
| Other | ||
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