[BUY] Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens Rating Review

Canon EF 17-40mm f/4L USM Lens is an 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 L-Series Lens from Canon 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. Also Canon L-Series EF 17-40mm Lens offers weather-resistant construction similar to other high-end L-series lenses. Be sure to see the full line of Canon digital camera accessories along with digital camera accessories from many top brands.

92.25 /100
  • Design


  • Performance


  • Value for money


  • Feature


Specifications for Canon EF Lens:

Focal Length: 17 - 40mm
Maximum Aperture: 1:4
Lens Construction: 12 elements in 9 groups
Diagonal Angle of View: 104° - 57° 30'
Focus Adjustment: Inner focusing system with USM
Closest Focusing Distance: 0.28m / 0.9 ft.
Zoom System: Rotating type
Filter Size: 77mm
Max. Diameter x Length: 3.3" x 3.8" / 83.5 x 96.8mm
Weight: 1.1 lb. / 500g

Features of Canon 17-40mm Lens:

  • Ideal for both film and digital SLR cameras
  • Has inner focusing system
  • Offers weather-resistant construction

1-Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens

  • PROS
  • fast focus
  • wide angle
  • CONS

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Billy - Add Reply

I've been using the Canon L series 17-40mm lens for a few years now. Primarily purchased for Vacations to scenic landscapes. It is great for this. It can also be used in very crowded places where you can't "stand back" and take the photo. I always have this lens with me on holidays.

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