Nikon FM3A User Manual

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Film-Plane Indicator
...
This film-plane indicator can be used as the measurement standard when you must know the
actual camera-to-subject distance (e.g. in close-up photography).
...
The exact distance from the lens-mounting flange to the film plane is 46.5mm.
Accessory Shoe and Sync-Cord Terminal
• The mark shown on the upper
panel of the camera indicates the posi-
tion of the film plane inside the camera.
•A Nikon cordless-type speedlight can
only be connected by attaching it to
the accessory shoe.
• This accessory shoe is equipped with
a safety lock mechanism (a lock hole)
to prevent slippage.
• This camera has a sync-cord terminal
(with a screw to prevent slippage). To
use a sync-cord, connect it to this sync-
cord terminal (“X” contact only avail-
able as sync contact).
Accessory Shoe
Sync-Cord Terminal

Nikon FM3A Specifications

General

Type	35mm SLR film camera
Lens Mount	Nikon F mount
Flash Sync Speed	1/250 sec
Exposure Metering	Center-weighted
Exposure Modes	Manual, Aperture Priority
Viewfinder	Fixed eye-level pentaprism
Battery	Two 1.5V LR44 or SR44 batteries
Dimensions	142.5 x 90 x 58 mm
Weight	570 g
Film Advance	Manual lever
Film Rewind	Manual crank
ISO Range	12 to 6400