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

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

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Product Code: EF 17-40mm f/4L USM

Quick Overview

Canon EF 17-40mm f/4L USM Lens Product Highlights: EF Mounted L-Series LensAperture Range is f/4-22Three Spherical Elements, One Super UDUltrasonic Autofocus MotorManual Focus OverrideWater & Dust ResistantInner Focusing and ZoomingTruly sp...

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

Product Highlights:

  • EF Mounted L-Series Lens
  • Aperture Range is f/4-22
  • Three Spherical Elements, One Super UD
  • Ultrasonic Autofocus Motor
  • Manual Focus Override
  • Water & Dust Resistant
  • Inner Focusing and Zooming
  • Truly spherical Diaphragm
  • Front Filter Diameter is 77mm
  • Rear Holder for 3 Gel Filters

The EF 17-40mm f/4L USM Lens from Canon is a top quality "L" series broad angle zoom lens for complete frame and APS-C size DSLR cameras. It joins one high-precision molded glass spherical element and 2 replica spherical lenses to attain the extensive zoom range, while correcting for regular aberrations that happen during zooming. Normally in wide-angle lenses, they face a problem of chromatic aberration of magnification but due to inclusion of super UD glass element this problem reduces in it. It also eliminates the color bleed around the edges of the subject and gives high contrast and high image resolution

Focal Length 17 - 40mm Comparable APS-C 1.6x Focal Length: 27 - 64 mm
Aperture Maximum: f/4 Minimum: f/22
Camera Mount Type Canon EF
Format Compatibility 35mm Film / Full-Frame Digital Sensor Canon (APS-C)
Angle of View 104° - 57° 30'
Minimum Focus Distance 11.02" (28 cm)
Magnification 0.24x
Maximum Reproduction Ratio 1:4
Elements/Groups 12/9
Diaphragm Blades 7
Image Stabilization No
Autofocus Yes
Tripod Collar No
Filter Thread Front: 77mm
Dimensions (DxL) Approx. 3.29 x 3.81" (83.5 x 96.8 mm)
Weight 1.05 lb (475 g)
Packaging Info
Package Weight 1.85 lb
Box Dimensions (LxWxH) 7.0 x 5.5 x 5.5"

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