Digital Photography School published this nice explanation of how flash interacts during longer exposures. An Explanation of 2nd Curtain Sync Flash (or Slow Sync Flash)
Tag Archives: flash
Simple Truths About High-Speed Sync
Ever battled with getting your camera and flash to sync at high-speed? This article may help. Simple Truths About High-Speed Sync | PixSylated
Helderberg Photographic Society 