The Kenro KFL101 is a high power flash gun which is compatible with both Nikon i-TTL and Canon e-TTL dedication. So if you use cameras of both systems, or need to share flashguns with other photographers, this could be ideal. Despite the modest price, the KFL101 is packed with features, including wireless and optical slave ability with both Canon and Nikon systems, high speed and rear curtain sync, and stroboscopic mode. It has an auto zoom head with manual over-ride, built-in wide diffuser and bounce panel, and a PC socket. An ideal flash for both amateur and professional use.