To order: 10-14 days A panoramic tripod base with a unique internal mechanism which provides 8 preset rotation angles, adjustable by means of a knob. The Panorama-Q Pro II has a sophisticated mechanism which does away with the need for external pins to set rotation click stops. Just pull and rotate the blue knob to quickly set the desired increment. It has an Arca-pattern quick release, which is compatible with Novoflex, Arca, Graf, Foba, Kirk or similar makes. Base connection is 3/8" or 1/4" with supplied adapter.