Canon EOS Rebel XS Instruction Manual page 71

Tv: Action Shots
_.'- Shooting Tips
To freeze the action or moving subject.
Use a fast shutter speed such as 1/4000 sec. to 1/500 sec
To blur a running child or animal giving the impression of fast
movement.
Use a medium shutter speed such as 1/250 sec to 1/30 sec Follow
the moving subject through the viewfinder and press the shutter
button to take the picture. If you use a telephoto lens, hold it steady
to prevent camera shake.
How to blur a flowing river or water fountain.
Use a slow shutter speed to 1/15 sec or slower. Use a tdpod to
prevent camera shake
Set the shutter speed so that the aperture display does not
blink in the viewfinder.
if you press the shutter button halfway and change _
the shutter speed while the aperture is displayed,
the aperture display will also change to maintain the
same exposure (amount of light reaching the image
_
sensor). If you exceed the adjustable aperture
range, the aperture display will btink to indicate that
the standard exposure cannot be obtained.
If the exposure will be too dark, the lowest aperture will blink. If this
happens, turn the < _:t_ > dial to the left to set a slower shutter speed
or increase the ISO speed
If the exposure will be too bright, the Mghest aperture will blink. If
this happens, turn the <_,_> dial to the right to set a faster shutter
speed or decrease the ISO speed
Using the built-in flash
To obtain a correct flash exposure, the flash output will be set to match
the automatically-set aperture (autoflash exposure) The flash sync
speed can be set from 1/200 sec to 30 sec.
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