Well it just occured with me too and I have found too much of this type of thing on the last two days for this only to be user error .It occurred with my new 7dii and the new 100 to 400 ii.Luckily I caught it as it fell off and headed for concrete 20...
Well, just had my new cannon 100 to 400 ii detach from my new 7d march ii . I have ptsd from this . It occurred aboot 20 feet above a cement pool deck . Some how as the lens dropped it landed in my hand .I chalked it up to a user error - but I now kn...
