If you're a videographer or filmmaker seeking precise, quick, and efficient focus control, the SmallRig Mini Follow Focus F40 3010C is the perfect tool for your production needs. This compact and durable device is designed with innovative features that enhance your shooting experience. Constructed from high-quality materials, this Mini Follow Focus F40 offers optimized zoom control for a variety of video and film lenses. The anti-slip, anti-sweat focus knob, inspired by a sports car hub, ensures a comfortable and secure grip, enhancing your focus precision even during long shooting sessions.The package includes a versatile Rod Clamp (with Nato rail) 3011, which can be conveniently locked to the side or top of most cages using a 1/4"-20 screw. This feature allows you to reverse the focus action, providing more flexibility during your shoots. The set also comes with a lightweight Silicone Gear (3852) that works in harmony with the M0.