Just purchasing a HPX500 w/fujinon lense w/2x extender... Wanting to order a sachtler tripod that would suit... I am looking at the sachtler range of tripods from the DV12 (with a 30lb capacity) up to a 15 (35 lbs capacity) or even an 18 (39lbs capacity). I'm thinking the 15 may be a good fit, but the 12 is cheaper... All are 100 mm heads... So wondering if anyone has an approximate weight of the camera when loaded with lense and batteries?