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EF 17-40mm f/4.0L USM Lens

MFR Part #: 8806A002
Samy's Part #: CANO8806A002
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$74900
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Receive 13 Months of FREE Accidental Damage Protection from Canon between October 29th, 2017 and January 6th, 2018 with Purchase. Click here for registration form and more details. 

The Canon EF 17-40mm f/4.0L USM Lens is 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 (0.28m), 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 77mm 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.

About half the price of the 16-35 f/2.8 lens, this L-series lens has an entirely new optical design with three Aspherical elements and a Super UD-glass element. The combination provides superb contrast and sharpness, even at the widest settings. It's ideal for both film and digital SLRs, and features the same weather-resistant design, rear gel filter holder, and high-speed Ultrasonic Motor as the EF 16-35mm lens.

Features:
  • EF mount; ultra-wide zoom lens
  • Super Ultra-low Dispersion glass; inner focusing; aspherical lens; full-time manual focus
  • 17-40mm focal length
  • f/4.0 constant maximum aperture
  • Ring-type UltraSonic Motor (USM)

Essential Accessories

  • Lenspen - LP-1 Lens Cleaning Brush
    $6.99
Lens Information
Lens Mount Canon EF
Focal Length 17-40mm
Aperture Range f/4.0-f/22
Minimum Focusing Distance 11 in.
Filter Size 77mm
Groups 9
Elements 72mm
Diagonal Angle Of View 104-57°
Length 3.8 in.
Maximum Diameter 3.3 in.
Lens Format Full Frame
Weight 1.1 lbs.
  • E-77U 77mm Snap-On Lens Cap
  • Lens Dust Cap E (Rear)
  • EW-83E Lens Hood
  • Lens Case LP1319
  • 1-Year Warranty
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