On Oct 13, 2011, at 8:44 AM, David Young wrote: > Surprisingly, every time I've used the marking, the images seem not to > align... Hm... Could it be that the nodal point of the lens is not be over the ball head's pivot point? I don't know if that would make the difference you are seeing with a long lens like the 400mm focused in the distance. Is there a pano doctor in the house? Best, Bill ------ Unsubscribe or change to/from Digest Mode at: http://www.lrflex.furnfeather.net/ Archives are at: //www.freelists.org/archives/leicareflex/