Panasonic Viera Link HX-WA10 Owner's Manual page 68

HINT
When recording videos at a high magnification
i When recording videos at a high magnification, a moving subject or
moving camera can cause camera shake, resulting in a distorted playback
image. This phenomenon is due to the characteristics of the MOS sensor
and is not a malfunction.
i It is recommended that you use a tripod to stabilize the camera when
recording videos at a high magnification.
i When the digital zoom is used, the picture quality becomes grainier as the
magnification increases.
i See page 195 regarding zoom magnification.
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