Panasonic NV-RZ1ENC - Инструкция (Страница 135)

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Functional Diagram of the Auto Focus Function
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CGD Image Sensor
© Microprocessor
© Picture Signal tor
Recording
(S>
Finder Screen
© Image area on which the Auto Focus Function adjusts the
focus
© Focusing L.ens
o Signal Processing
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Focusing Lens Motor
© Focusing Lens
Wtien you aim the Movie Camera at the subject ttiat you want
to record, the microprocessor deterrnines (based on the
information about the vertical contours in the picture signal
received by the CCD Image Sensor) whelfier the subject in the
middle of the picture is properly focused. If not optimally
focused. It quickly rrnovos the focusing lens in tiny steps frorr’.
the previous focus setting © or © until the vertical contours
of the subject become sharpest ©.
• As this Movie Camera automatically adjusts the focus based
on the information on the subject’s vertical contours, precise
focusing is not possible for subjects with weak vertical
contours (-> 100).
• Unlike the human eye. the Movie Camera’s Auto Focus
System cannot change the focus from a distant to a close
subject instantaneously.
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