Hello Stuart: The web site address is
www.SpeedGraphic.co.uk. If you want a head for a large lens, take a look at the Manfrotto gimbal head. There is a review at
www.Digiscoped.com. Today I was passing Jessops in London and took a look at a Manfrotto ball head costing about £70. It looked solid enough for a camera and macro lens, and was surprisingly smooth. I suspect it works as well as my expensive head for all but large lenses.
Leif