Calumet Pro Series O6 Shutter Release Cable for Olympus Cameras The O6 Shutter Release Cable allows you to use the Calumet Pro Series 2.4GHz Wireless triggers with select Olympus cameras including the E520, E510, E420, E410, E400, SP-570 UZ, SP-560 UZ, SP-550 UZ, SP-510 UZ.