Summary: Did not work on Nikon though it was advertised that it did and clearly stated on the box that it did. I read a previous review from a Nikon owner who said the same thing but I wasted my time and effort by not believing him.
Excerpt: My first camera (Canon FTb) I bought in 1975 was the first generation to incorporate electronics...it had a light meter. My new 70D does not read the lens aperture so it must be used manually. I have to dust off long abandoned skills. In every other respect it is excellent.
... just received the lens and the build quality seems good. I have only taken pictures indoors
19 January 2015
Summary: I just received the lens and the build quality seems good. I have only taken pictures indoors, but I can get almost the whole room in the shot. I did try to take an outside shot in total darkness, and had the shadow of the lens cover in the frame, so the removable cover version may be better. The inside shots with the flash were no issue,so I guess in real life conditions it will not be an issue.
Excerpt: I've mostly used it for terrestrial photography in the few weeks I've had it. It works as I had expected. No surprises. Good value for the money. Waiting for some clear nights when I can try some time-lapse photos with this.
Pros: Compact Design, Easy To Use, Highly Compatible, Lightweight
Summary: This lens become my main lens, i use it all the time for my winter trip to Colorado. The lens is very wide, great to capture the scenery, buildings from short distance. The manual setting is super easy. Just need to set the proper ISO at your camera and go for it. Great pics for every occasion. Now i mostly bring 2 lenses and this fish eye for sure one of them. Great lens and i do recommend to my friends.
Summary: I really loved the build and image quality of this lens and worth every penny of it. Pretty solid comparing it with my nikkor lenses. Set your focus to infinity and your f-stop somewhere between 5.6 to 8 and you're good to go. There are many discussions going on on the web about infinity problem of this lens.