Canon EOS R50 Mirrorless Camera (White) - Manual (Page 339)

Movie Recording Time Limit
When recording non-High Frame Rate movies
The maximum recording time per movie is 1 hr. Once 1 hr. is reached, recording stops
automatically. You can start recording a movie again by pressing the movie shooting
button (which records the movie as a new file).
When recording High Frame Rate movies
The maximum recording time per movie is 15 min. Once 15 min. is reached, recording
stops automatically. You can start recording a High Frame Rate movie again by
pressing the movie shooting button (which records the movie as a new file).
Caution
The camera's internal temperature may rise and less recording time may be
available after extended movie playback/Live View display.
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