2. Focus
A picture is in focus when it
appears sharp and clear on-screen
Technically, the point where the light
rays refracted by the lens converge).
3. Rack Focus
To change focus from one object or
person closer to the camera to one
farther away or vice versa.
4. Auto Focus
Automated feature whereby the camera
focuses on what it senses to be your
target object.
5. Defocus
The camera operator zooms in,
racks out of focus, and, on cue,
back into focus again.
Used as a transitional device or to
indicate strong psychological
disturbances or physiological imbalance.
