Canon EF 17-40mm f/4L USM Camera Lens
- Compatible with All Canon DSLR Formats
- L-Series Lens - The Best Canon Makes
- Super Wide Angle Zoom Lens
- For Film or Digital SLR Cameras
- Uses 3 Aspherical Lens Elements
- Uses Super UD Glass
- Water and Dust Resistant
- Internal Zooming and Focusing
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AUD $795.00
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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.
LENS SPECIFICATIONS
Focal Length & Maximum Aperture: 17-40mm 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.
Filter Size: 77mm
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EXCELLENT WIDE ANGLE ZOOM
Posted by Larry Finn on 23rd Nov 2011
This lens is Awesome!!! I especially enjoyed being able to take photo's close up with the ability of getting everyone in the photo. Also taking a 360 of my room from the corner... It worked equally well (even somewhat Wider) on my EOS3 (35mm).
Mainly though, the Quality of every photograph and video is sensational to say the least - Of course, you'd expect this type of result from a Canon 'L' Lens... Now I just have to Improve My Expertise to Match the abilities of this Awesome Lens :-)
I am Extremely Happy with this Lens & I highly recommend it... The only thing is I'd Love it to be f2.8, however if it was, I probably couldn't afford it... :-)
