Nikon Camera F3AF User Manual

Page 125

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Auto flash control

system

Accessory shoe

Sync terminal

Flash synchronization

Flash ready-light

TTL direct flash control governs
output of Nikon dedicated flash unit

using camera’s SPD sensor;
effective ASA/ISO range from ASA/

ISO 25 to ASA/ISO 400

Special Nikon type located at base

of rewind knob; has hot-shoe
contact, ready-light contact, and

TTL flash output control contact;

accepts Nikon SB-12, SB-16A or
SB-17 shoe-mounting electronic flash

unit or TTL connecting cord from

SB-11 or SB-14 for TTL direct flash
output control using camera’s SPD

metering cell

Threaded type provided for off-

camera or multiple-flash

photography

Speeds of 1/80 sec. (X) or slower

with electronic flash; with Nikon
dedicated flash unit, flash sync

is automatically set to 1/80 sec.

when shutter speed dial is set at A

or 1/125 sec. or above; at slower

speeds, shutter fires at the speed set

Visible in the viewfinder; LED lights

up when Nikon dedicated flash unit
is completely recycled or blinks to

warn of insufficient light output,

improper flash connection, or

improper ASA/ISO setting