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.
great price, great lens
I have carried this lens for little over a year now, using it mainly for real estate photography and landscapes. For this purpose, there was no need to opt for the 16-35 f/2.8, which is double the price. The lens is also great for party shots, when you need to get a big group in the picture. Although there is some distortion, thats what you get at 17mm, with any lens. Between the weight, price, build, and sharpness, this is one of the best "L" lenses that Canon makes. I would suggest this lens to anyone interested in landscape photography, or simply want a wide angle to add to their kit. In my opinion, f/4 is plenty on an ultra wide angle.
January 23, 2014
Lord Of Land Scapes
This lens is sharp from front to back and is one of the sharpest in its class, its the only super wide I have used for years and still is my go to lens for the shot. The quality is well build and weather sealed. It never looked faded or used, flare is under controlled F4 is very sharp and can be used as a macro lens as well, great for portraits. You will not be disappointed with this lens.
November 23, 2013
Very soft at F4, only ok at 5.6, sharp at F8, F11. For the L Lens hype and the price I expected better. My 18-55 kit lens is as sharp and in some cases as at F4 sharper. The lens was replaced the same week I bought it and the second one was the same. I got the money back.
June 21, 2013
This is a great affordable L series lens. It is wide enough for a full frame or crop body. It is built like a tank and a very reliable lense @ f/4. No need for 2.8 if you use a flash or light your subject correctly.
January 2, 2013