Nikon D300 User Manual page 113

D
Shooting in Live View Mode
Although they will not appear in the final picture, banding or distortion
may be visible in the monitor under fluorescent, mercury vapor, or
sodium lamps or if the camera is panned horizontally or if an object
moves at high speed through the frame. Bright light sources may leave
after-images in the monitor when the camera is panned. Bright spots may
also appear. 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 shooting ends automatically if the lens is removed.
Live view mode can be used for up to an hour.
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Note, however, that when used in live view mode
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for extended periods, the camera may become
noticeably warm and the temperature of its
internal circuits may rise, resulting in image noise
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and unusual colors. To prevent damage to the
camera's internal circuits, live view shooting will
end automatically before the camera overheats. A count-down display
will appear in the monitor 30 s before shooting ends. At high ambient
temperatures, this display may appear immediately when live view mode
is selected.
In exposure modes other than manual, cover the viewfinder with the
supplied DK-5 eyepiece cap after focusing. This prevents light entering
via the viewfinder from interfering with exposure (pg. 89).
To reduce blur in tripod mode, choose [On] for Custom Setting d9
([Exposure delay mode], pg. 285).
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