I came across this excellent resource recently. It was written by Russ MacDonald for practical use of the Nikon SB800 Speedlight with the D200 Camera. However the guide contains very informative and general information about Nikon Creative Lighting System (CLS) so users of other Nikon DSLR cameras and Speedlights should also benefit. With his engineering background, Russ explained the Nikon CLS in great details with very in-depth but easy to understand language and well thought out examples. Enjoy! Read More…