How the shutter button works, When it is pressed halfway, When it is pressed completely – Canon EOS 3000 N User Manual
Page 19: Pressing the shutter button halfway or completely
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How the Shutter Button Works
The EOS camera’s shutter button can be depressed halfway or all the way.
There is a click stop at the halfway point.
'Pressing the Shutter Button Halfway or Completely
The shutter button works as described below.
When it is pressed halfway:
® Autofocusing is activated, and when
focus is achieved, the beeper sounds
and the in-focus indicator <#> on the
viewfinder’s lower right also lights.
» Also, the shutter speed and aperture
are set and displayed on the LCD
panel and in the viewfinder.
When it is pressed completely:
® The shutter is released to take the
picture and the film advances by one
frame.
tl If an Extender is used and the maximum aperture of the lens becomes smaller
than f/5.6 (larger f-number), autofocusing will not operate.
iJ Camera movement during the moment of exposure is called camera shake.
Camera shake can cause blurred pictures. To prevent blurred pictures due to
camera shake;
■ Hold the camera steady (-^page 22).
• Use the center of your finger to touch the shutter button, grasp the camera with
your entire right hand, then press the shutter button gently.
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