2-way panhead which can be controlled with one hand, leaving the other hand free. Long Arca Swiss compatible (QS-61P) quick release plate for use with spotting scopes, cameras, and camcorders Spotting scopes with Arca Swiss compatible bases (such as the Endeavor HD) can be used without the need for a quick shoe for maximum stability Maximum load capacity of 8.8 pounds. Weighs in at 1.5 pounds Clamp base opens to 1.25 inches. Includes a large surface area with textured rubber face for solid grip The telescopic pan handle helps locate and follow the subject intuitively, locking/unlocking the position by simply twisting the handle, leaving the other hand free for other key tasks, such as controlling the focus or zoom