Canon EOS M200 Advanced User's Manual page 208

Movie Recording Quality
4K Movie Recording
Recording 4K movies requires a high-performance card. For details, see
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"Cards that Can Record Movies" ( = 499).
The maximum recording time per 4K movie is 9 min. 59 sec. ( = 213).
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Recording 4K movies greatly increases the processing load, which may
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cause the camera's internal temperature to increase faster or become
higher than for regular movies. If [
during movie recording, the card may be hot, so stop recording the
movie and let the camera cool down before removing the card. (Do
not remove the card immediately.)
From a 4K movie, you can select any frame to save as an approx. 8.3
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megapixel (3840×2160) JPEG still image to the card ( = 268).
Contrast detection is used to focus when recording 4K movies. Focusing may
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take longer and be more difficult than when recording HD or Full HD movies.
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] or a red [E] icon appears