Top Deal Review - Canon EF 17-40mm F 4L USM Ultra Wide Angle ...

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DigitalRev, DigitalRevTV, Kai, Canon, 17-40mm, F4, F/4, Usm, Hands-on, Reviews, Digital, Cameras, Dslr

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Top Deal Review - Canon EF 17-40mm f 4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras

Technical Details
17-40mm ultra-wide-angle zoom lens with f/4 maximum aperture for Canon SLR cameras
3 aspherical lens elements and super UD glass element create superior optics in all conditions
Powerful ring-type ultra-sonic monitor (USM) produces fast and silent autofocusing
Focuses as close as 11 inches; supports screw-in 77mm filters or up to 3 gel filters
Weather-resistant construction; measures 3.3 inches in diameter; 1-year warranty

  1. By: bonizolnak
  2. Categories Science & Tech
  3. Views 28
  4. Added :24-Jan-12
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