Promaster PH25 Panoramic HeadThe Promaster PH25 Panoramic Head allows for specific rotational pan movements on a tripod. The upper pan control moves a full 360 degrees smoothly and the bottom has pre determined stops that are adjustable with the knob inserted into the side. The PH25 can be mounted to most tripods and heads using its common 3 8" threads. A camera is mounted to the PH25 using the included dovetail quick release plate, which is also compatible with a variety of arca