1. A robotic system comprising: an image capture device; an actuator configured to adjust a focus setting of the image capture device; a robotic linkage movably supporting the image capture device; at least one sensor for generating a sensor signal indicating movement of the robotic linkage; a processor configured to determine, based on the sensor signal, a change in distance between the image capture device and an initial focus point of the image capture device, the processor further configured to adjust the focus setting of the image capture device according to a predetermined relationship between the focus setting of the image capture device and the change in distance, the processor further configured to adjust the focus setting by controlling said actuator.