If you professional photographers who looking for the cheap manual flash, LumoPro LP120 can be your choice which only priced at $120, but you will get fully manual flash function. You can synchronize LumoPro LP120 with your camera into 4 ways that you can do, first via its PC port as well as miniport, optical slave sensor and hotshoe (PC/Miniphone cord included). It capable to give lightning from the 270-degree swivel and 180-degree tilt. It support manual zoom ability that function to focus the beam regardless of your focal length. LumoPro LP120 already available now.