Features:<br>Exact follow focus design helps you to adjust focus.<br>Damping design, good touch feeling.<br>Convenient for assembling and disassembling.<br>A crank handle and a 37.5cm steer whip to help you adjust the focus from a certain distance.<br>Five focus rings for you to use.<br>International standard, mounts on 15mm rod support (rail center to center: 60mm).<br><br>Specifications:<br>Compatibility: All (D)SLR cameras and camcorders<br>Fit rail distance: 60mm / 23.6in<br>Fit rail diameter: 15mm / 0.6in<br>Item Weight: 586g / 20.7oz<br>Package Size: 43.5 * 12.5 * 21.5cm / 17.1 * 4.9 * 8.5in<br>Package Weight: 1318g / 46.5oz<br><br>Package List:<br>1 * Follow Focus<br>5 * Gear Ring<br>1 * Steer Whip<br>2 * Wheel Gear<br>1 * Crank Handle