Olympus µ-mini DIGITAL S - Manual (Page 30)

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Zooming in on a distant subject
You can zoom in on your subject using the optical zoom and digital zoom.
With the optical zoom, the image is enlarged by using the CCD when the
lens magnification is changed, and the image is formed by all the CCD
pixels. With the digital zoom, the area at the center of the image captured
by the CCD is cropped and enlarged back to size. When you zoom in on
a subject, you are essentially taking a small area of the picture and making
it bigger. Therefore, the greater the magnification with the digital zoom, the
grainier the resulting picture will be.
The following zoom magnifications are available on this camera.
Optical zoom 2× (equivalent to 35 mm to 70 mm on a
35 mm film camera)
Optical zoom + digital zoom Max. 8×
Note that camera movement is likely to occur at higher magnifications.
1
Press the zoom button.
Using the optical zoom
Zoom button
Zoom out:
Press the W side of the zoom button Zoom in:
Press the T side of the zoom button