Canon Digital IXUS 990 IS User Manual page 61

Digital Tele-Converter
The focal length of the lens can be increased by an equivalent of 1.5x or
2.0x. This enables a faster shutter speed and less chance of camera shake
than the zoom (including digital zoom) used by itself at the same zoom
factor.
The images may appear coarse, however, depending on the combination of
recording pixel (p. 72)
Combinations that Cause Image Deterioration
•
Using [1.5x] at a recording pixel setting of
deterioration (the zoom factor will display in blue).
•
Using [2.0x] at a recording pixel setting of
deterioration (the zoom factor will display in blue).
•
The respective focal lengths when using [1.5x] and [2.0x] are 55.5 –
277.5 mm and 74 – 370 mm (35mm film equivalent).
•
The digital tele-converter cannot be used together with the digital zoom.
Zooming in More Closely on Subjects (Digital Zoom)
and digital tele-converter settings used.
Select [Digital Zoom].
Press the n button.
Select the 4 tab, then press the op
buttons or turn the  dial to select
[Digital Zoom].
Accept the setting.
Press the qr buttons to select [1.5x] or
[2.0x].
Pressing the n button will restore the
shooting screen.
The view will be enlarged, and the zoom
factor will display on the screen.
To return to standard digital zoom, select
[Digital Zoom] and the [Standard] option.
or will cause image
, or will cause image
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