Fujifilm is the first in the world to incorporate a precision focus assistance system in broadcast TV lenses. The PF System represents Fujifilm's thorough determination to enhance the ease and accuracy of the focusing operation for camera operators as no professional assisting tool has ever done before.
The Precision Focus System adopts a contrast method that utilizes differences in optical path length. It can instantly bring shooting objects into perfect focus without searching for focus and can follow moving objects smoothly in focus.
On mounting a PF lens on a camera for PF function, a focus area is shown on the viewfinder. The size and the position of the focus area can be changed at a camera operator's option. This function allows for moreeffective shooting operation in a production site where versatile imaging is required.
You can select the momentary mode for PF function operational only when pressing the button, or the continuous mode for continuous PF function. You can enjoy the best focusing in a selected mode according to the shooting situation, whether for a still image or for moving objects.
The PF assistance system constantly provides the best precision focusing even when it is hard to see whether the viewfinder image is in perfect focus. You can concentrate on zooming operation, knowing that your subject will be in perfect focus.