PT-16NE 16 Channels Wireless Radio Flash Trigger with Umbrella Holder for canon nikon Metz Minolta Sigma The item is with an umbrella holder,therefore there is no necessary to use a light stand bracket, and the flash effectiveness is the same as the item that is used with a light stand bracket. Suitable forYongnuo YN-460II YN-468 YN-560 YN-462 YN-465 YN-467;Olympus FL-50, FL36; Suitable for Pentax AF-540 FGZ, AF-360 FGZ, AF-400 FT, AF-240 FT;Sigma EF-500 DG Super, EF-500 DG ST, EF-430;Sunpak Auto 2000DZ, 622 Pro, 433AF, 433D, 383, 355AFm 344D, 333D; Suitable for Canon SpeedLite 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EX/EXII, 430EZ, 420EX, 420EZ, 380EX;Nikon SpeedLight SB-900, SB-800, SB-600, SB-28, SB-27, SB-26, SB-25, SB-24; Work with flash units using universal hot shoe like Nikon, Sigma, Olympus, Pentax (except Minolta SONY as they use a special hot shoe)