Unboxing the Yongnuo YN-622N i-TTL flash triggers von lumenatic | 26. Jun 2013 | EquipmentTogether with the YN-568EX flash unit I purchased two sets of i-TTL triggers from Yongnuo. These triggers have been around for Canon for a while, and since a few weeks they are now also available for Nikon. Watch another stopmotion...