303N Features:
Upper dual graduated scale to set the angle of rotation to any of the following: 90°, 60°, 45°, 36°, 30°, 24°, 20°, 15°, 10°, 5° (respectively equivalent to 4, 6, 8, 10, 12, 15, 18, 24, 36 or 72 photos to achieve a full 360° rotation based on 35mm film frames or 24x36mm CCD).
Lower graduated scale from 0° to 360°.
3/8” female tripod fitting; 3/8” male screw head or plate fitting.