The DDP-64SI Indexing Rotator for Panoramas from Sunwayfoto has 4 different selectable click options - 8, 12, 15, and 18°. This rotator also has 64mm footprint (diameter), and is best suited for ultra wide fisheye lenses when capturing full 360 x 180° spherical or HDR panoramas.
Combining CNC machined aircraft aluminum parts, with a compact and durable design, the DDP-64SI also provides for very precise, fluid rotation required of professional photographers. You can also change click stops on-the-fly, which is ideal in time-sensitive situations when shooting must be completed quickly. These include shooting high resolution multi-image mosaics, or shooting the same scene at different focal lengths.