Canon EOS-1D Mark IV - Manual (Page 253)

Troubleshooting Guide
m
Movies cannot be shot with manuai exposure.
• Set [LV set.] to [Movies] and set the shooting mode to
(manual exposure) (p.142, 144).
The movie shooting terminates by itseif.
e If the card's writing speed is slow, movie shooting may stop
automaticaiiy. if you use a CF card, use one with a read/write speed of
at ieast 8 MB per sec. if you use an SD card, use one with SD Speed
Ciass 6 "ciAss(g" or higher. To find out the card's read/write speed,
see the card manufacturer's Web site, etc.
• If the movie file size reaches 4 GB or if the movie recording time
reaches 29 min. 59 sec., movie shooting wiii stop automaticaiiy.
The subject iooks distorted during movie shooting.
• During movie shooting, if you move the camera ieft or right quickly
(high-speed panning) or shoot a moving subject, the image might iook
distorted. There might be less distortion if you shoot in the 1280x720
or 640x480 movie recording size (p.151).
When I shoot stiii photos during movie shooting,
the movie shooting stops.
• To shoot stiii photos during movie shooting, using a CF card
compatibie with UDMA transfer rates is recommended.
• Setting a smaiier image size for stiii photos and shooting fewer
continuous stiii photos can aiso resolve the problem
The movie cannot piay.
• Movies edited with a personai computer using the provided software,
etc., cannot be piayed with the camera.
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