Yongnuo YN568EX TTL flash is an upgraded version of YN565EX now supporting High-Speed synchronization of up to 1/8000s. Great choice for professionals and advanced amateur Nikon users. Yongnuo YN568EX is top of the line external flash for Nikon DSLR cameras. It is a great alternative to much more expensive Nikon SB900, SB910 or SB700 speedlites, offering the same functions and same or even more power at much lower price. High guide number (58m), TTL and HSS (high speed synchronization) make this an excellent tool for digital photography
