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General Movie Recording Precautions
Caution
Precautions for movie recording
Do not point the camera toward an intense light source, such as the sun or an
intense artificial light source. Doing so may damage the image sensor or the
camera’s internal components.
If you record something that has fine detail, moire or false colors may result.
If [ ] or [ ] is set and the ISO speed or aperture value changes during
movie recording, the white balance may also change.
If you record a movie under fluorescent or LED lighting, the movie image may
flicker.
If you perform AF with a USM lens during movie recording in low light, horizontal
banding noise may be recorded in the movie. The same type of noise may occur if
you focus manually with certain lenses equipped with an electronic focusing ring.
Recording a few test movies is recommended if you intend to perform zooming
during movie recording. Zooming as you record movies may cause exposure
changes or lens sounds to be recorded, an uneven audio level, inaccurate lens
aberration correction, or loss of focus.
Large aperture values may delay or prevent accurate focusing.
Performing AF during movie recording may cause the following kinds of issues:
significant temporary loss of focus, recording of changes in movie brightness,
temporary stopping of movie recording, or recording of mechanical lens sounds.
Avoid covering the built-in microphones with your fingers or other objects.
Connecting or disconnecting an HDMI cable during movie recording will end
recording.
Also see General Still Photo Shooting Precautions, as needed.
The camera may become hot in movie recording while connected via Wi-Fi. Use a
tripod or take other measures to avoid handheld recording.
Red [ ] internal temperature warning icon
If the camera’s internal temperature increases due to prolonged movie recording or
under a high ambient temperature, a red [ ] icon will appear.
The red [ ] icon indicates that movie recording will soon be terminated
automatically. If this happens, you will not be able to record again until the
camera’s internal temperature decreases, so turn off the power and let the camera
cool down a while. Note that the time until movie recording stops automatically
when the red [ ] icon is displayed varies depending on shooting conditions.
Recording a movie at a high temperature for a prolonged period will cause the red
[ ] icon to appear earlier. When you are not recording, always turn off the camera.
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