Celticbird Camera Tripod Heavy Duty Shooting Tripod (64.5"/ 164cm) for Spotting scopes, Telescope, Binoculars, camcorders, DSLR Cameras, Ring Light and mobile phone.: Amazon.co.uk: Electronics & Photo
Losmandy AZ8 Alt Az Heavy Duty Mount - Rother Valley Optics Ltd
Berlebach Planet Heavy Duty Tripod With Double Clamps - Rother Valley Optics Ltd
How can I easily move my heavy telescope? - BBC Sky at Night Magazine