"Canon cameras like my Canon EOS R5, as well as more affordable models like the Canon EOS M50 Mark II, Canon EOS 850D and Canon EOS RP, have Dual Pixel CMOS autofocus, which works really well for video capture, as well as enabling you to transition smoothly from one area in the frame to another. They also offer Movie Servo AF, which can continuously track moving subjects within the frame."
However, Joel stresses that every technique you use should improve the story. "Never use a technique just for the sake of it. If you want to draw the viewer's attention to a specific thing, focus is one of the things that matters most. For a fisherman, you might want to focus on a fish in a net, then transition the focus point to the fisherman's face to show the reaction."
When you're starting out, Joel recommends mastering the use of aperture to create different cinematic effects. "Along with light and exposure, aperture controls depth of field. Wide apertures [low f-numbers] can help you to focus the attention on the subject by throwing the background out of focus," he explains. "Narrow apertures give you a large depth of field, for when you want to keep near and far objects simultaneously sharp.
"When it comes to shutter speeds, the ideal is usually the inverse of twice the frame rate. So if you're shooting at 25 frames per second, it's best to aim for a shutter speed of 1/50. If you use a faster shutter speed, moving objects tend to look jittery rather than moving smoothly. If you're shooting in bright light you will need to enable a sufficiently slow shutter speed with the aperture you want to use, fit an ND (neutral density) filter to the lens. In dark conditions, using a slower shutter speed can work well, as it enhances the motion blur and avoids the need to use a high ISO setting that can degrade the image quality."