The CTR 301P is a RF wireless flash trigger equipped with an Infrared sensor that may also ... as Canon, Nikon, Olympus, Pentax, Sigma and etc (Except Minolta & Sony). Work with all cameras with a standard hotshoe socketW mode ... , 540EZ, 520EZ, 430EX, 430EZ, 420EX, 420EZ, 380EX;Nikon SpeedLight SB-900, SB-800, SB-600, SB-28, SB-27, SB-26 ...