I've been using a 28" octobox for my pet portraits and recently bought a 48" octobox to see what I could get with a single light and modifier. Here is just one sample using my R5, 24-105 F4L and a Flashpoint Xplor 600 Pro and a Glow 48" octobox.
Canon EOS R5RF24-105mm F4 L IS USM lens105mmf/11.01/200s100 ISO0.0 EV