Focusing; The Shutter-Release Button - Nikon VQA091AA Reference Manual

Focusing

The Shutter-release Button

Press halfway
Press all the
way
Shooting Features

Focusing

To press the shutter-release button "halfway" means to press
and hold the button at the point where you feel a slight
resistance.
Focus and exposure (shutter speed and f-number) are set
when you press the shutter-release button halfway. Focus
and exposure remain locked while the button is pressed
halfway.
The focus area varies depending on the shooting mode.
To press the shutter-release button "all the way" means to
press the button down completely.
The shutter is released when the shutter-release button is
pressed all the way.
Do not use force when pressing the shutter-release
button, as this may result in camera shake and blurred
images. Press the button gently.
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