Canon POWERSHOT S100 User Manual page 55

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You can change the width to height ratio of an image.
Choose 4:3.
After pressing the @ button, press the
A'_- buttons to choose 4:3.
Choose optio..
Press the _, buttons or turn the O dial to
choose an option, then press the @
button.
Once set, the aspect ratio of the screen will
change.
To restore the original setting, choose 4:3
in Step 2.
i6i9 The Same asPeciraiio as HD TVsl used {or disPiaying on wide:screen HD TVsl
. The same aspect ratio as 35mm film, used for printing out 5 x 7 in. or postcard
3-2 sized images.
4:3 The same aspect ratio as the screen of this camera, used for printing images on
3.5 x 5 in. to various A-sized papers.
1:1 A square-shaped aspect ratio.
4:5 An aspect ratio commonly used for portraits.
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