Canon EOS Rebel SL3 DSLR Camera with 18-55mm Lens (Black) - Manual (Page 228)

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Setting the Movie Recording Size
With [
z
: Movie rec. size] , you can set the
movie recording size (image size, frame
rate, and compression method) and other
functions.
Movies will be recorded in the MP4 format.
z Image size
L 3840x2160
The movie is recorded in 4K quality. The aspect ratio is 16:9.
L
1920x1080
Full High-Definition (Full HD) recording quality. The aspect ratio is 16:9.
w
1280x720
High-Definition (HD) recording quality. The aspect ratio is 16:9.
z Normal playback of 4K and
L8
/
7
movies may not be possible on
other devices, because playback is processing-intensive.
z The frame rate displayed on the movie recording size screen switches
depending on whether [ 5 : Video system] is set to [For NTSC] or [For PAL] .
z If you change the [ 5 : Video system] setting, set the movie recording size
again.
z Movies cannot be recorded in VGA quality.
z 4K movie shooting
- Recording 4K movies requires a high-performance card.
- Recording 4K movies greatly increases the processing load, which
may cause the camera’s internal temperature to increase faster or
become higher than for regular movies.
- From a 4K movie, you can select any frame to save as an approx.
8.3-megapixel (3840×2160) JPEG still image to the card ( = 301).
z Contrast detection is used to focus when recording 4K movies. Focusing may
take longer and be more difficult than when recording HD or Full HD movies.