Canon 4000D Movie Mode - Video Settings for Cinematic Look. *Setting up a DSLR to shoot video*
This video shows you how to set up a Canon DSLR to shoot video.
Remember your shutter speed must be 50 when shooting at 24 fps.
When adjusting the aperture: low number = shallow depth of field and high number = deep depth of field.
You should always light your scene adequately to give you greater control of your image.