[jixon]

Hello,

Three months ago I upgraded from a Canon 450d and purchased a Canon 1D Mark II. It's second hand, taken just short of 70,000 shots.

I have noticed that when I take some photographs in portrait (rather than traditional landscape) in terms of holding the camera, a brighter light appears.

It's not the lens as it has happened when I've used a Canon 70-200 f2.8; Canon 17-40 f4 and a Sigma lens 17-35 f2.8.

I will post a couple of photographs this evening showing the issue.

Could it be a sensor issue?
Has anyone else had this issue?
How much does a service cost with Canon?

Thanks in advance
Daniel