Spanning a versatile wide-angle range, the EF 17-40mm f/4L USM Lens is a Canon L-series zoom featuring a constant f/4 maximum aperture along with a sophisticated optical design and durable construction. One Super UD element is featured, along with three aspherical elements, which help to reduce both chromatic and spherical aberrations in order to realize high sharpness, clarity, and color accuracy. A Super Spectra coating has also been applied to suppress flare and ghosting for improved contrast in difficult lighting conditions. Complementing the imaging capabilities, this wide-angle zoom also features a ring-type USM and internal focusing mechanism to afford quick, quiet, and accurate autofocus performance, as well as full-time manual focus override. Additionally, this lens is weather-sealed for use in trying environmental conditions.
HIGHLIGHTS:
- 17 40 millimeter ultra wide angle zoom lens with f/4 maximum aperture for Canon SLR cameras.Diagonal angle of view 104° 57° 30'
- 3 aspherical lens elements and super UD glass element create superior optics in all conditions, Closest focusing distance : 0.9 feet
- Powerful ring type ultra sonic monitor (USM) produces fast and silent autofocusing, Focuses as close as 11 inches; supports screw in 77 millimeter filters or up to 3 gel filters.Rounded seven-blade diaphragm contributes to a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques
- Suitable for Wedding/Nature Photography, Weather resistant construction; Water and Dust Resistant; measures 3.3 inches in diameter; 1 year warranty
Our New products are covered by a warranty of 1 year parts and 90 days of labor when the manufacture does not apply. If you need more information, please contact our customer service department for warranty info. 6AVE will provide a warranty of 1-year parts and 90-days for labor and defects for new products in any case where the manufacturer will not do so.
Our Certified Refurbished products are covered with a Two – year Comprehensive warranty provided by Allstate, US only.
If you purchased a camera body, please note there are instances where we ship the camera body in a box which originally included the camera and the lens. The lens has been removed when it is not part of your purchase. Most manufactures do not include a paper manual. A pdf manual will be provided upon request.
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