Canon EOS Rebel SL3 DSLR Camera with 18-55mm Lens (Black) - Manual (Page 250)

250
Menu Function Settings
Setting items for recording movies are shown on the [
z
] and [ 5 ] tabs
when the power switch is set to <
k
>.
z Movie recording size ( = 228)
You can set the movie recording size (image size, frame rate, and
compression method).
z Digital zoom ( = 231)
You can use digital zoom for telephoto shooting.