Nikon FM3A Instruction Manual page 55

Ready light
Lights when the flash is fully charged with SB-28,
SB-27, etc.; blinks for full-output warning or shut-
ter-speed settings from 1/500 to 1/4000 sec.
Camera back
Detachable hinged back; MF-16 Data Back can
be attached in place.
Camera-back opening
Achieved with the film-rewind lever
Power source
One 3V lithium battery (CR-1/3N type), two 1.55V
silver-oxide batteries (SR44 type), or two 1.5V al-
kaline batteries (LR44 type)
Meter-on timer
To turn the camera on when the shutter-release
button is pressed lightly, turning it off 16 seconds
after your finger leaves the button. With the MD-
12 Motor Drive, the camera is turned on when the
shutter release button of the MD-12 is pressed
lightly, and it turns off approx. 66 seconds after
your finger leaves the button.
Battery power check
Displayed for 16 seconds with the meter-on timer.
The exposure meter does not work if the batter-
ies are exhausted.
Number of film rolls that can be shot
When repeating the procedure of holding the shut-
ter-release button in the lightly-pressed position for
10 seconds, pressing it all the way, and waiting
until the meter-on timer counts up to the end, with
36-frame film rolls, a shutter speed of 1/250 sec-
ond in Aperture-Priority Auto mode:
Power
One 3V
lithium
Tempera- battery
ture
At normal
approx. 100
temperature
rolls
(20˚C)
At low
approx. 50
temperature
rolls
(–10˚C)
Two 1.55V Two 1.5V
alkaline
silver-oxide
batteries batteries
approx. 100 approx. 45
rolls rolls
approx. 50 approx. 10
rolls rolls
Optional exclusive or common accesso-
ries
MD-12 Motor Drive
SB-27 Speedlight and equivalents
MF-16 Data Back
CF-27S / CF-28S / CF-29S Camera Case
AR-3 Cable release
etc.
Tripod socket
1/4 (ISO 1222)
Dimensions (W
Approx. 142.5 90
(camera body only)
Weight
Approx. 570g / 20.1 oz. (camera body only, in-
cluding battery)
• All specifications are calculated assum-
ing fresh batteries are used at normal
temperature (20˚C / 68˚F).
• Specifications and design are subject to
change without notice.
H D)
58mm / 5.6 3.5 2.3 in.
55