I never really write reviews, but the VK750 II convinced me in the price-performance ratio in such a way that I want to give all undecided a buy recommendation. As an amateur photographer I did not want to spend hundreds of euros for an original flash my D5100. Technically almost everything is already said, so I go on a not closer - the equivalent of Yongnuo (also TTL compatible) costs almost twice as much. One can not go far wrong here really.