Using the Smart Auto mode

Extended functions
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3 Half-press [Shutter] to focus.
4 Press [Shutter] to capture the photo.
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If the camera does not recognize an appropriate scene mode, it uses the default
settings for the Smart Auto mode.
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Even if it detects a face, the camera may not select a portrait mode depending
on the subject's position or lighting.
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The camera may not select the correct scene depending on the shooting
conditions, such as camera shake, lighting, or distance to the subject.
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Even if you use a tripod, the camera may not detect the mode if the subject
is moving.
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The camera consumes more battery power, because it changes settings often to
select appropriate scenes.