I have only used this lens a few times as yet seems to be a great just need to get used to it . Having a little trouble with the close up focus on auto. Read more
I've owned this lens since it was released... two years ago. Firstly, don't confuse it with it's predecessor, the mark 1. The mark I was one of the most controversial lenses, where people either loved it or hated it. Read more
At 400mm this lens is better than Canons own 400mm L f5.6 prime! Superb IS! I waited for this updated lens for years. I never bought the 1st version. The wait was totally worth it. Read more