Canon EF 17-40mm f/4L USM Lens

65,495

  • Focal Length : 17 to 40mm
  • Maximum Aperture : f/4
  • Lens Mount : Canon EF
  • Format Compatibility : Full-Frame
  • Focus Type : Autofocus
  • Filter Size : 77 mm (Front), Gel Filter (Rear)
  • Warranty : Canon India 2 Years Warranty

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Canon EF 17-40mm f/4L USM Lens

In The Box

  • EF 17-40mm f/4L USM Lens
  • Lens Cap
  • Lens Dust Cap E
  • Lens Hood
  • Lens Case

Features

  • Wide-angle zoom is designed for full-frame Canon EF-mount DSLRs, however can also be used with APS-C models where it provides a 27.2-64mm equivalent focal length range.
  • Constant f/4 maximum aperture maintains consistent illumination throughout the zoom range.
  • One Super Ultra-Low Dispersion glass element noticeably reduces color fringing and chromatic aberrations for high clarity and color fidelity.
  • Three aspherical elements minimize spherical aberrations and distortions for improved sharpness and accurate rendering.
  • Super Spectra coating has been applied to individual elements to minimize ghosting and flare for greater contrast and color neutrality when working in strong lighting conditions.
  • A ring-type Ultrasonic Motor (USM), along with an internal focusing system, is employed to deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.
  • 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.
  • As a member of the esteemed L-series, this lens is sealed against dust and moisture for working in inclement environmental conditions.
  • In addition to the front 77mm filter ring, this lens also has a rear filter holder for up to three cut gel filters.

Specifications

  • Focal Length : 17 to 40mm
  • Maximum Aperture : f/4
  • Minimum Aperture : f/22
  • Lens Mount : Canon EF
  • Format Compatibility : Full-Frame
  • Angle of View : 104° to 57° 30'
  • Minimum Focus Distance : 11.02" / 28 cm
  • Maximum Magnification : 0.24x
  • Optical Design : 12 Elements in 9 Groups
  • Diaphragm Blades : 7, Rounded
  • Focus Type : Autofocus
  • Image Stabilization : None
  • Filter Size : 77 mm (Front)
    Gel Filter (Rear)
  • Dimensions (ø x L) : 3.29 x 3.81" / 83.57 x 96.77 mm
  • Weight : 1.1 lb / 500 g

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