Nikon N6006 - Manual (Page 158)

GLOSSARY
AF illuminator
When existing light is belCAv a certain level and the camera is
set for autofocus mode, the
SB-24/SB-23/SB-22/SB-20’s AF
illuminator turns on automatically and provides enough subject
contrast to enable for the
N6006’s
autofocus system to function
as though it were daytime.
Balanced fill-flash operation
A method of flash photography which keeps flash brightness
in balance with the ambient light. The N6006 provides auto­
matic balanced fill-flash operation with Nikon-dedicated TTL
controlled Speedlights.
Center-Weighted metering
An SLR light meter, invented by Nikon, which concentrates its
sensitivity on the center portion of the camera’s viewing areas.
CPU
Central Processing Unit. The electronic component which con­
trols equipment functions.
AF Nikkor and Al-P-Nikkor lenses have a built-in CPU.
Depth of field
The zone of acceptable sharpness in front of and behind the
subject on which the lens is focused.
DX code
Film information code printed on the film cartridge. The N6006,
set at auto film speed setting mode, automatically senses the
film speed (ISO 25 to 5000) of DX-coded film the instant it is
loaded.