Canon EF 17-40mm f/4.0 L USM
Lightweight super wide-angle zoom lens with high image quality that meets the needs of professionals
Lightweight ultra wide-angle zoom lens. 3 aspherical lens elements and a Super UD glass element assure superior optical performance.
- Focal length and maximum aperture: 17-40 mm 1:4
- Lens construction: 12 elements in 9 groups Diagonal angle of view: 104°-57° 30’
- Focus adjustment: Ring-type USM, inner focusing system, full-time manual focus
- Closest focusing distance: 0.28 m/ 0.9 ft., 024 x magnification
- Filter size: 77 mm Max. diameter x length, weight: ø 83.5 x 96.8 mm, 475 g/ 3.3” x 3.8”, 1 lbs.
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