Nikon FM3A Instruction Manual page 19

Lightly press the shutter-release
5
button.
... Check the shutter speed, observing the ex-
posure-meter indication in the viewfinder.
Tips
• If the exposure-meter needle points in the 1 to 1/(focal-length of the lens) second
range:
... Camera shake may occur because the shutter speed is low. Use a tripod or
flash.
• If the exposure-meter needle points to the upper alert zone:
... Make a narrower aperture setting. If the indication is still in the alert zone, use an
ND filter.
• If the exposure-meter needle points to the lower alert zone:
... Select a wider aperture setting. If the indication is still in the alert zone, use flash
photography.
Example: Aperture of f/2.8
Slowly depress the shutter-
6
release button all the way.
... If the exposure meter indication is between
1/60 and 1/4000 second, squeeze to press
the shutter-release button all the way.
Example: Aperture of f/16
19