The joystick gives the DMC-LX3 its intuitive and highly precise, full manual operation. Simply move the joystick vertically or horizontally to adjust the exposure and to adjust the focus during Manual focus. The joystick can be easily operated by the thumb while holding the camera to prevent any interruption to your shooting rhythm. This lets you smoothly optimize the settings at the exact moment you finish framing the shot, whether you are capturing the proud stance of a single magnificent flower, the gentle flow of a stream, or a bird taking flight.