Ultimate M1 Series with RD16-II Based on Arca Swiss compatible system, the industry standard for high end photographic support system, together with innovative features badly needed by panoramic photographers. Precision CNC machined from premium T6061 aluminum and anodized, it has high precision, accuracy, durability and long lifetime all in one. 7.5 degree precise positive stops at the upper rotator, supporting lenses from ultra wide angles to 200mm telephotos. Allows templates to be used to speed up stitching and reduce stitching errors.