Where can I buy a tripod head?
Any camera supply store. Or online of course. Google your city plus tripod head. I would check with a camera/photography supply store first. Here in the States it would be something like Ritz or Sammie's Camera.
Best BuyRadio ShackTargetAny camera shop ...:) call before you take a visit ..easier to know where to find the product ahead of time:)
You can go to oceanside optics near oceanside high