F4S - What does F4S stand for? The Free Dictionary
References in periodicals archive
The SAC F4S
CNC production centers for window frames are suitable for sequential of batch production of all component parts of a window.
I use a Nikon F4S
camera to record my discoveries and I carry a 24mm, 180mm and 35-70mm zoom.
Many still prefer the F4 or newer F4S
model to the N90 because of the removable pentaprism that allows those worm's eye views that can be so effective but no amateur-oriented special exposure programs.