Sony FE C 16-35 mm T3.1 G cinema lens series with wide-angle zoom offers enhanced optical performance, improved operability, and intelligent shooting features. The included servo unit allows for comfortable fingertip control for smooth, incremental zoom movements, making it ideal for slow-motion films or promotional videos. The servo or manual control can be switched using the button on the lens. When the servo function is activated, the zoom can be controlled via the camera grip or the grip zoom. Additionally, the servo can be removed if needed, making the lens lighter and more portable.