Well, sent it to Canon, it "CMOS ASSY" was bad and needs replacement. Total cost of $708.67....not happy. I swear I will never buy used camera bodies again. What I paid for it used plus this repair I could have bought a new one. Tom
I know this is an old post but I am trying to resolve my problem before sending it off. I purchased a used Mk IV a few months ago. Tonight is the first time I took some long exposures of the ISS. I noticed a bad streak, or band that ran horizontally ...
