Canon EF17-40 MM 1:4.0 L USM
A new and affordable L-series ultra-wide-angle zoom lens that's ideal for both film and digital SLRs. Superior optics are assured by the use of three aspherical lens elements, in addition to a Super UD (Ultra-low Dispersion) glass element. Optical coatings are optimized for use with digital cameras. This lens focuses as close as 11 inches (0.28 m), and offers both Canon's full-time manual focus and a powerful ring-type USM for fast and silent AF. It has a constant f/4 maximum aperture, and offers the choice of screw-in 77 mm filters or a holder in the rear of the lens for up to three gel filters. Finally, it offers weather-resistant construction similar to other high-end L-series lenses.
Technical details
- Colour of product
- Black
- Weight
- 500g
- Focal length range (f-f)
- 17 - 40 mm
Lens system
- Focus adjustment
- Automatic, manual
Weight & dimensions
- Filter size
- 7.7 cm
Other features
- Magnification
- 0.24x
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