maximum flash sync speed, and the Nikon SB-900 / SB-910 speedlight

maximum flash sync speed, and the Nikon SB-900 / SB-910 speedlight

Because of the way the focal plane shutter works in DSLRs, shutter speed doesn't affect our flash exposure ... while we don't go over maximum flash sync speed. When we go into high-speed flash sync, our flash output drops. (The linked article there explains it thoroughly.) However, when we work with  Read more inside...