PowerShot A650 IS Camera User Guide

Commonly Used Shooting Functions
60
Safety Zoom Zone
Depending on the number of recording pixels set, you can zoom
without pausing up to a factor where the image quality does not
deteriorate (Safety Zoom).
The icon displays when reaching the maximum zoom factor
without image deterioration. At this point, the image can be further
magnified by pressing the zoom lever toward (telephoto) again.
Depending on the number of recording pixels set, the Safety Zoom
zone varies as follows.
White : Optical Zoom (Zone without deterioration)
Yellow: Digital Zoom (Zone without deterioration)
Blue : Digital Zoom (Zone with deterioration)
Optical Zoom Digital Zoom
6.0x
Recording Pixels
(4000×3000)
(3264×2448)
(2592×1944)
(1600×1200)
(640×480)
7.4x
9.3x
15x
24x