Shutter Button; Pressing Halfway - Canon EOS 1D Mark II N Instruction Manual

Basic Operation

Shutter Button

The shutter button has two steps. You can press the shutter button
halfway. Then you can further press the shutter button completely.
If you press the shutter button halfway and (
it halfway again and wait a moment before pressing it completely to take
a picture. If you press the shutter button completely without pressing it
halfway first or if you press the shutter button halfway and then press it
completely immediately, the camera will take a moment before it takes
the picture.
Regardless of the camera's current operation (image playback, menu
operation, image recording, etc.), you can instantly go back to shooting
by pressing the shutter button halfway. (Except during direct printing and
low-level formatting.)
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Pressing halfway

This activates autofocusing (AF) and
automatic exposure (AE) that sets the
shutter speed and aperture.
The exposure setting (shutter speed and
aperture) is displayed on the top LCD
panel and in the viewfinder.
Pressing completely
This releases the shutter and takes the
picture.
9
9
( )
) elapse, you must press