Canon PowerShot A40 PowerShot A40/A30 Camera User Guide - Page 43
AF-Assist Beam
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AF-Assist Beam ¡The AF-assist beam will sometimes emit when the shutter button is pressed halfway to assist focusing in certain conditions, i.e. dark conditions. ¡The AF-assist beam can be tur ned off (p. 132). If animals are your subject, turn off the beam when shooting in the dark to avoid startling them (this may however, make it more difficult for the camera to focus). 39
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39
AF-Assist Beam
¡
The AF-assist beam will sometimes emit when the
shutter button is pressed halfway to assist focusing in
certain conditions, i.e. dark conditions.
¡
The AF-assist beam can be tur ned off (p. 132).
If animals are your subject, turn off the beam when
shooting in the dark to avoid startling them (this may
however, make it more difficult for the camera to focus).