Quote Originally Posted by Andrew4x5 View Post
The shutter is in the lens, but the timer is in the camera. So if 4s and shorter work OK, it implies that the shutter is OK. Therefore problem is most likely to be the 8s setting on the speed dial - perhaps the 8s contact is corroded.
Exactly - this is what I was trying to imply above. You need to somehow eliminate either the lens or the camera from the equation.