Quote Originally Posted by mporter012 View Post
Really interesting discussion. It's just so interesting to me that others have this issue. So if I'm understanding properly, I just put a level on top of the camera? I'm not completely comprehending how leveling my camera necessarily levels my image?

Mark
The horizon is only level at sea. On land it can vary. A level is only useful if it is adjusted so the bubble is centered when the camera is level. Gridlines are your only really useful tool here, as anyone who uses a view camera for architecture can attest.