Canon EOS-1D Mark IV - Manual (Page 147)

Shooting Movies
Notes for autoexposure and manual exposure shooting
o
The camera cannot autofocus continuously like a camcorder.
During movie shooting, do not point the iens toward the sun. The sun’s
heat can damage the camera's internal components.
Even if the
[V Record func*-medla/folder sel.] menu option has been
set to [Rec. separately] or [Rec. to multiple] (p.57), a movie cannot be
recorded simultaneously to both the CF card <[D> and SD card 2 l>. If
[Rec. separately] or [Rec. to multiple] has been set, the movie will be
recorded to the card which has been set for [Playback].
Cautions for movie shooting are on pages 153 and 154.
If necessary, also read the Live View shooting cautions on pages
139 and 140.
Movies cannot be encrypted with Original Data Security Kit OSK-E3.
Eil
e A single movie file will be recorded for each movie shot.
During movie shooting, the top, bottom, left, and right parts of the screen
will have a semi-transparent mask. The movie will be recorded in the
area surrounded by the mask The semi-transparent mask size will
change depending on the [Movie rec. size] setting (p.151)
The sound is recorded in monaural by the camera's built-in microphone
(p.143).
Stereo sound recording is possible by connecting an external microphone
equipped with a stereo mini plug (3.5mm dia.) to the camera's external
microphone IN terminal (p.19). Do not connect the camera's external
microphone IN terminal to anything other than an external microphone.
The sound recording level will be adjusted automatically.
If you playback the movie with “Shooting information display" (p 156), the
shooting mode, shutter speed, and aperture will not be displayed. The
image information (Exif) will record the settings used at the start of the
movie
With a fully-charged Battery Pack LP-E4, the total movie recording time
will be as follows: At 23°C/73°F: Approx. 2 hr. 40 min.. At 0°C/32°F:
Approx. 2 hr. 20 min.
With ZoomBrowser EX/lmageBrowser (provided software), you can
extract a still photo from the movie. The still photo quality will be as
follows: Approx 2.07 megapixels at [1920x1080], approx. 920,000 pixels
at [1280x720], and approx. 310,000 pixels at [640x480].
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