Nikon FG Instruction Manual page 62

Self·timer
Reflex mirror
Hand grip
Power source
Power ON/OFF
switch
Dimensions
Weight
Camera cases
62
Lever provided can be set for
up to approx. 10 sec. exposure
delay; setting cancellable before
actual shutter release
Instant-return non-Iocakble type
Detachable type
Two 1.55V silver-oxide batteries
(S-76 or SR-44 type), two 1.5V
alkaline-manganese batteries
(LR-44 type) or one 3V lithium
battery (CR-1 3N type)
Meter switched on when shutter
release button is pressed
halfway; stays switched on for
approx. 16 seconds after finger
is lifted off button
136.0mm(W)x 87.5mm(H)x
54mm(D)
Approx. 490g (body only)
Semi-soft cases CF-17, 18
and 19D