Nauticam Underwater Optical Flash Trigger for Nikon
Yongnuo Rf-603 Ii C3 Radio Wireless Remote Flash Trigger For Canon 50d 40d 7d/7d Mark Ii/6d/6d Mark Ii/5d Mark Iv / Iii /ii 1ds - Shutter Release - AliExpress
Yongnuo RF-603N II - Flash radio triggers for Nikon - Camera Gear
Yongnuo YN-622N flash trigger for Nikon: first look hands-on - Lighting Rumours
2 YONGNUO RF-603C II Wireless Flash Trigger Remote System for Canon | eBay