Excerpt: I use this lens on a full frame camera and really like the wide angle images. Image quality is superb. I have been using this for shooting stars and star trails and have been really happy. A prime lens with a larger aperture might be more beneficial for astro photography, but using this for landscapes and other purposed I have been completely satisfied.
Pros: Consistent Output, Durable, Easily Interchangeable, Fast / accurate auto-focus, Nice Bokeh, Rugged, Strong Construction
Excerpt: I am an amateur photographer and wanted to add to my existing EOS 7D/ kit 28-135 lens. I already have the canon 70-300L 3.5-5.6 lens and wanted a shorter lens for portraits and landscapes. I am happy with the build quality. A bit pricy but I wanted the flexibility of a 2.8f lens over IS.
Pros: Durable, Fast / accurate auto-focus, Nice Bokeh, Rugged
Excerpt: I purchased this lens because I want to explore a different way of taking pictures, and get into landscape photography.Because of the weather, I have only been able to use it once or twice..but so far I really like it. it is very sharp, the colors are great. The quality of my pictures improved after I watched the tutorial on line, and I would recommend that people who are new to wide angle lenses do just that. it is basically a new way of seeing things.
Pros: Easily Interchangeable, Lightweight, Strong Construction