Reviews and Problems with Canon EF 17-40mm f/4L USM
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This is a great lens
grubbs, B&H Photo
12 November 2014
Excerpt: Wide and very sharp on my 6d. I use this lens everyday. I shoot a lot of real estate photography and it works great with minimal distortion. This is my second one, I broke my other one and didnt last long without it. Also great for shooting landscape. Love it.
Pros: Consistent Output, Easily Interchangeable, Fast / accurate auto-focus
Excerpt: Good lens and a good value, lightweight and portable. If you can afford the upgrade, definitely worth the price to get the 16-35mm f/4 IS. If I had known it was coming out less than a year after I bought the 17-40 I would have waited. It is definitely much sharper. The 17-40 served me very well though over the past year. It's a good lens and I love how it is nice and light and small. Great for backpacking.
Excerpt: Use it with C-100, 7D and 5D, along with 24-105 L and 70-200 L. Love it. Biting my elbows for not buying it long time ago. Gives me perfect range to do wide that covers almost any room, and go in for a waist up shot if needed, as well as just sufficient for establishing shots / exterior shots. Almost a default lens. Great L quality, that's a given.
Pros: Consistent Output, Durable, Rugged, Strong Construction
Excerpt: I use this lens for weddings and production shoots on a 5D mark iii. The resolution is outstanding. It's just wide enough to make walking motions very smooth, but not as wide to make everything look "bent." You don't necessarily get the manipulation as you would with an 8mm or so, which I prefer. This lens is also easy to focus with manual focus, which I also like using since I'm moving around a lot, or at least my subjects are.
Pros: Durable, Fast / accurate auto-focus, Good in low light
Excerpt: This is a lens I've wanted for some time. This will be used for a wide variety of things. I'm beginning to get into high-end real estate photography, and this lens is perfect. It's also great for landscapes (I think that's a given) and, as I've come to discover, maritime photography. Just like real estate, the wide angle lends itself well to shooting boat interiors. I can't imagine being happier with a lens than I am with this one...
Pros: Consistent Output, Durable, Easily Interchangeable, Fast / accurate auto-focus, Lightweight, Nice Bokeh, Rugged, Strong Construction