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.
Features:
Features:
- Focal Length: 17-40mm
- Maximum Aperture: f4
- Focuses as close as 11 inches
- Lens construction is made up of 12 elements in 9 groups
- Inner focusing system
- Weather resistant similar to other high-end L-series lenses
Mount Type
Canon EF Mount
Focal Length
17-40mm
Aperture Range
f/4 - f/22
Autofocus
Yes
Minimum Focus Distance
11in (27.94cm)
Filter Size
77mm
Format
Full Frame, APS-C Sized Sensors
Angle of View
104°
Lens Groups/Elements
9/12
Dimensions
(Approx.) 3.3in x 3.8in, 83.5 x 96.8mm (Diameter x Length)
Weight
(Approx.) 500g
Below are the items included with this product
- EF 17-40mm f/4L USM Lens
- 77mm Snap-On Lens Cap
- Lens Dust Cap E (Rear)
- EW-83E Lens Hood
- Lens Case LP1319
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