Canon POWERSHOT A550 User Manual page 30

* Can only be set in [] mode, However, [Digital Tele-converter] cannot be
set,
You can combine digital zoom with optical zoom when shooting.
The available shooting characteristics and focal lengths (35mm film
equivalent) are as follows.
Selection Focal Length Shooting Characteristics
Standard 35 - 560 mm Enables shooting at zoom factors of
up to 16x with digital and optical
zoom combined.
Enables shooting without digital
zoom.
Off
1.5x
1.9x
35 - 140 mm
52.5 - 210 mm
66.5 - 266 mm
Digital zoom is fixed at the selected
zoom factor, and the focal length
shifts to the telephoto end. This
enables a faster shutter speed and
less chance of camera shake than a
shot taken at the same angle of view
with [Standard] or [Off].
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