Nikon D4S - Manual (Page 84)

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Shooting in Live View Mode
To prevent light entering via the viewfinder from interfering with
photographs or exposure, close the viewfinder eyepiece shutter.
Although they will not appear in the final picture unless Silent is
selected for Live view photography (
0 60), jagged edges, color
fringing, moiré, and bright spots may appear in the monitor, while
bright bands may appear in some areas with flashing signs and other
intermittent light sources or if the subject is briefly illuminated by a
strobe or other bright, momentary light source. In addition, distortion
may occur if the camera is panned horizontally or an object moves at
high speed through the frame. Flicker and banding visible in the
monitor under fluorescent, mercury vapor, or sodium lamps can be
reduced using Flicker reduction (
0 363), although they may still be
visible in the final photograph at some shutter speeds. When shooting
in live view mode, avoid pointing the camera at the sun or other strong
light sources. Failure to observe this precaution could result in damage
to the camera’s internal circuitry.
Live view may end automatically to prevent damage to the camera’s
internal circuits; exit live view when the camera is not in use. Note that
the temperature of the camera’s internal circuits may rise and noise
(bright spots, randomly-spaced bright pixels, or fog) may be displayed
in the following instances (the camera may also become noticeably
warm, but this does not indicate a malfunction):
• The ambient temperature is high
• The camera has been used for extended periods in live view or to
record movies
• The camera has been used in continuous release mode for extended
periods
If live view does not start when you press the a button, wait for the
internal circuits to cool and then try again.
Movie recording is not available during live view photography and
pressing the movie-record button has no effect. Select movie live view
(
0 63) to shoot movies.