Neewer BY-220AFD Electronic AF E-TTL Flash Speedlight for Pentax and Samsung Cameras, such as Pentax K7 K5 K3 K50 K30 K2 km kx kr K1000 k100d k100ds k200d k10d k20d, Samsung Galaxy NX, NX30, NX210, NX300, NX1100, NX2000