Custom button set up for Flash Function Setting on Canon 5d4 - YouTube
Setting Rear Curtain Sync on Canon 5d Mark IV: I'm trying to learn more about flash photography and want to set my camera to 2nd curtain sync, but I can't figure out
Amazon.com : NEEWER Upgraded NW645II-C TTL Flash Speedlite, GN58 HSS Optical Slave Rear Curtain Sync Compatible with Canon EOS R6 R5 R3 R M6 850D 800D 760D 750D 650D 600D 7D Mark
Tutorial: A Practical Application of Rear Curtain Sync Flash Settings
Using 2nd-Curtain (Rear Curtain) Flash Sync with Studio Strobes and Canon Cameras — PhotoJoseph Studios
HOW TO Use Rear Curtain Sync WITH Gelled Lighting! - YouTube