My 645e has developed an odd problem and I'm curious if anyone has also had this problem and if the only solution is to send it in to a repair shop. I just put in a new battery and after about about 3-8 shots the camera stops working. If I take a photo, the shutter fires and stays open until I take out the battery and put it back in. If I go to take a shot and notice no information in the viewfinder, I know the next shot will result in the shot being taken but the shutter stays open. If I notice no info in the viewfinder and take the battery out and put it back in, all is well. I've tried 3 new batteries and all do the same thing. I'm assuming there is something wrong with the electronics although everything else appears to be working fine. I can live with this, but it can be a pain when the camera is on a tripod (which is often!).
Any suggestions on what I should do or try?