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

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

This is a used item Condition: 9
Shows signs of use, but very clean Additional Comments:BOX
Used Cat.# 1150532 Mfr # 8806A002
In Stock
Free Expedited Shipping
You Pay: $629.95
Ratings: 935 reviews
Product Highlights
  • EF Mount L-Series Lens
  • Aperture Range: f/4-22
  • Three Aspherical Elements, One Super UD
  • Ultrasonic Autofocus Motor
  • Manual Focus Override
  • Water and Dust Resistant
  • Internal Zooming and Focusing
  • Truly Circular Diaphragm
  • 77mm Front Filter Diameter
  • Rear Holder for Three Gel Filters

The EF 17-40mm f/4L USM Lens from Canon is a high quality "L" series wide angle zoom lens for full frame and APS-C size DSLR cameras. It combines one high-precision molded glass aspherical element and two replica aspherical lenses to achieve the extended zoom range, while also correcting for common aberrations that arise during zooming. A Super UD (Ultra-low Dispersion) glass element minimizes the chromatic aberration of magnification which tends to occur with wide-angle lenses, to help eliminate color bleed along the edges of the subject and achieve high image contrast and resolution.

The lens' minimum focusing distance is just 11" (28cm) throughout its entire range of focal lengths, which makes it very useful for close-up work. All of the focusing and zooming action is done internally, with no changes in the size of the lens. Its ultrasonic autofocus motor enables smooth and silent autofocus action and manual focus override in One Shot AF mode allows precise manual focusing without switching into MF mode.

It only uses lead-free optics to help the environment, and features a circular diaphragm for improved background blur. The housing is water and dust resistant to help ensure reliable performance for both professionals and enthusiasts. Like many "L" lenses, it uses 77mm filters, but also has a rear gelatin filter slot behind the lens mount that can hold three gel filters.

This lens is a Canon 'EF' series lens, indicating it is for use with full-frame cameras. However, it also works with APS-C format DSLRs and offers a 35mm focal length equivalence of 27-64mm, making it an ideal medium-aperture standard zoom lens.

A super wide-angle zoom lens for full-frame DSLR and 35mm film cameras that offers a 27-64mm focal length equivalent when used on APS-c size sensors.
Uses three aspherical lens elements and Canon Super UD ultra-low dispersion glass for reduced aberrations and overall sharp, high contrast imaging
An ultrasonic autofocus motor provides fast, smooth and quiet AF action, particularly important when shooting video.
Manual focus override enables precise manual focusing even when in One Shot AF mode.
Internal zooming and focusing systems
As a Canon "L" series lens it provides professional levels of moisture and dust resistance.
Circular aperture diaphragm for better, more natural looking background blurring
Accepts 77mm filters, as well as gelatin filters at the rear of the lens.
Performance
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'
Tilt/Shift None
Minimum Focus Distance 11.02" (28 cm)
Magnification 0.24x
Maximum Reproduction Ratio 1:4
Elements/Groups 12/9
Diaphragm Blades 7
Features
Image Stabilization No
Autofocus Yes
Tripod Collar No
Environmental
Physical
Filter Thread Front:77 mm
Rear:
Dimensions (DxL) Approx. 3.29 x 3.81" (83.5 x 96.8 mm)
Weight 1.05 lb (475 g)
Canon EF 17-40mm f/4L USM Lens
  • Front and Rear Lens Cap
  • EW-83E Lens Hood
  • Lens Case LP1319
  • 90-Day B&H Used Warranty
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    Usually ships in 7-14 business days i This item is usually Drop Shipped from the MFR/Distributor within 7-14 business days (subject to availability). Your order will be charged at the time of placing the order with the MFR.
     

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