Bought over two years ago. I wanted to catch up with zooms (on canon f / 2,8 - a well-known limit) to get something fast. I planned to use it on both the film EOS 3 and the EOS 40D. I chose from five copies, screwing it to the last one, only one hit right on target. Yes, it's soft at 1.4-1.8, but sometimes it's better to remove the "software" with an acceptable shutter speed and then correct it in PS than to get a "hard", but daub. On EOS 3 for a long time there was no desire to shoot with anythSee full review