What is the difference between the Acratech Ultimate ballhead and your other models?
All of our ballhead models share many features including: they all weigh less than 1lb. (.45 kg), they all have an open structure, etc. The main difference between our Ultimate ballhead and our other models is the range of motion. Our Ultimate ballhead has most of its range of motion on the front side of the ballhead, this is desirable for close-up photography and other types of photography where the camera is pointing down and forward, but to be able to tip your camera up and back will require that you first rotate the Ultimate Ballhead 180 degrees. Our GP and GV2 models allow a range of motion similar to, but greater than most conventional ballheads and will be instantly familiar to most photographers. The GP and GV2 ballheads also have a fully adjustable, separate friction control whereas with the Ultimate ballhead, the friction is controlled by how far the main control knob is loosened. Another difference between our ballhead models is what additional features they include. Our Ult