Olympus D-630 Zoom - Manual (Page 36)

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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 on 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. 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 3× (equivalent to 35 mm to 105 mm on a 35 mm
camera)
Optical zoom × digital zoom Max. 12×
Note that camera movement is likely to occur at higher magnifications.
1
Press the zoom button. Zoom button
Zoom out:
Press W on the zoom button. Zoom in:
Press T on the zoom button.