Canon Powershot A590 IS User Manual page 59

About the Safety Zoom
Depending on the number of recording pixels set, you can shift from
optical zoom to digital zoom without pausing up to a factor where the
image quality does not deteriorate (Safety Zoom).
reaching the maximum zoom factor without image deterioration.
Pressing the zoom lever toward
further (not available in
Depending on the number of recording pixels set, the Safety Zoom
zone varies as follows.
Safety Zoom Factor
Recording pixels Optical zoom
: zone without deterioration
The digital zoom cannot be used when the LCD monitor is
turned off.
The digital zoom cannot be used in
(Widescreen) modes.
again allows you to zoom even
).
: zone with deterioration
displays when
Digital zoom
(Date Stamp) or
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