Steve Henry , Nov 02, 2008; 10:06 p.m.
I have seen one of these at a photo workshop I took with Rod Planck last year. Some things come to mind: The attachment of the lens to head is on the side, which may not be as stable as, say, a Wimberly. Also since it's on the side, if the attachment comes loose, the camera/lens falls down. I also seem to recall some problems getting it to hold still. Probably this is an idea in evolution, and you might be better served sticking with Wimberly, Kirk, Really Right Stuff. I just got back from an Alaska trip with my 500 and a RRS BH55 and was quite happy with the stability and flexibility of this head.