High-Speed Flash for Dynamic Photos | Tutorial
My first step was to eliminate the sun as a significant source of light since I would be adding my own light. I started my shot with determining the available light exposure. As this image shows, I underexposed the scene around 1.5 stops to make it dark except for the whitewater. This would allow my strobes to light the kayaker, not the sun. I was using a fast shutter speed of 1/1000 and faster to freeze the wave action. Even though my lights were the main source of illumination, and flash duration should freeze the action, I decided not to take any chances. I would use my Elinchrom Rangers with PocketWizard’s HyperSync technology. HyperSync allows high-speed sync well past 1/1000.