Canon EOS R50 V Advanced User's Manual page 278

15.
Record the time-lapse movie.
Press the shutter button completely to start recording the time-
lapse movie.
AF will not work during time-lapse movie recording.
A recording icon "●" is displayed on the screen as the time-lapse movie
is recorded.
When the set number of shots are taken, the time-lapse movie
recording ends.
To cancel recording time-lapse movies, set [Time-lapse] to
[Disable].
Note
Using a tripod is recommended.
Taking test shots as in step 13 or even recording test time-lapse movies
beforehand is recommended.
To cancel time-lapse movie recording in progress, press the movie shooting button.
The time-lapse movie shot so far will be recorded on the card.
If the time required for recording is more than 24 hours but not more than 48 hours,
"2 days" will be indicated. If three or more days are required, the number of days
will be indicated in 24-hour increments.
Even if the time-lapse movie's playback time is less than 1 sec., a movie file will still
be created. In this case, "00'00"" is indicated in [Playback time].
If the shooting time is long, using the household power outlet accessories (sold
separately) is recommended.
YCbCr 4:2:0 (8-bit) color sampling and the BT.709 color space are used for Full HD
time-lapse movies.
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