I acquired this goal primarily to interior pictures (apartments, houses) with a Canon 5D and I am very satisfied. Since it is completely manual, I use the LiveView for exposure adjustment and a wide focus on smartphone to find the hyperfocal. I also used to take pictures of action: just make the first adjustments, and it remains only to then shoot! Its major flaw is a distortion mustache, very ugly, but fortunately that can be corrected via the Editing software. The sharpness is generally good, except in the corners. A good buy with good value for money for those who are ready to work in full manual mode.
