mackguyver said:Congrats on the new lens and that is an odd thing, but I'm not sure I understand what's happening. Are you saying that the exposure compensation setting is going up by itself? I don't think that's possible - maybe you're bumping it because of the way you're holding the lens, which might also explain why it doesn't happen with other, smaller lenses. Maybe I'm not understanding your question, though.Arkarch said:But here is a question.... Exposure Compensation creep on a 5Dm3 with the 300. I set everything up, running sometimes in Av or Tv modes - and after a handful of shots I see the exposure comp go up by a few stops. And its not just reporting - the shots go over. I found myself really having to monitor and reset back to zero. My other lenses do not cause the 5D to exhibit this behavior.
Doesn't make sense.