Yongnuo Speedlite flash unit YN-510 EX, wireless TTL-compatible system flash for Canon / u. Nikon (Electronics)
The flash is the "better" little brother of YN-560 II. He has the same functions (except slightly lower guide number of "only" 53) as the YN-560 II + (!!!!) wireless TTL automatic control (as a slave) for Canon and Nikon cameras, ie yo
