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Cautions for Movie Recording
Do not point the camera toward an intense light source, such as the sun or an
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intense artificial light source. Doing so may damage the image sensor or the
camera's internal components.
If you shoot something that has fine detail, moire or false colors may result.
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If [ Q ] or [ Q w] is set and the ISO speed or aperture changes during movie
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recording, the white balance may also change.
If you record a movie under fluorescent or LED lighting, the movie image may
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flicker.
If you perform AF with a USM lens during movie recording in low light,
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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
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during movie recording. Zooming as you record movies may cause exposure
changes or lens sounds to be recorded, an uneven audio level, or loss of focus.
Large aperture values may delay or prevent accurate focusing.
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During movie recording, if you perform AF, any of the following may occur:
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The focus is temporarily greatly thrown off, changes in movie brightness is
recorded, the movie recording stops momentarily, and the mechanical sound of
the lens is recorded.
Avoid covering the built-in microphones ( = 235) with your fingers or other
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objects.
"General Movie Recording Cautions" are on = 282– = 283.
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If necessary, also read "General Still Photo Shooting Cautions" on = 226–
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= 228.
Movie Mode
239
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