Canon EOS 4000D Instruction Manual page 163

Notes for Movie Shooting
Do not allow the product to maintain contact with the same area of
skin for extended periods of time during use.
This may result in low-temperature contact burns, including skin redness
and blistering, even if the product does not feel hot. The use of a tripod or
similar equipment is recommended when using the product in hot places
and for people with circulation problems or less sensitive skin.
Do not point the camera toward an intense light source, such as the sun
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or an intense artificial light source. Doing so may damage the image
sensor or the camera's internal components.
When [k1: AF w/ shutter button during k] is set to [Enable]
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(p.174), pressing the shutter button halfway during movie shooting will
perform autofocusing. However, the following may occur.
• Focus may become far off momentarily.
• The brightness of the recorded movie may change.
• The recorded movie may be momentarily still.
• The movie may record the lens operation sound.
If <Q> or <Qw> is set and the ISO speed or aperture changes during

movie shooting, the white balance may also change.
If you shoot a movie under fluorescent or LED lighting, the movie may
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flicker.
Shooting a few test movies is recommended where you will perform

zooming during movie shooting. Zooming during movie shooting may
result in recording of changes in exposure or mechanical sound of the
lens, or images may be out of focus.
During movie shooting, you cannot magnify the image even if you press

the <u> button.
If you connect or disconnect the HDMI cable during movie shooting, the
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movie shooting will end.
Be careful not to cover the built-in microphone (p.158) with your finger,
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etc.
General Movie Shooting Cautions are on pages 179-180.
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If necessary, also read General Live View Shooting Cautions on

pages 155-156.
k Shooting Movies
163