This manual covers the setup, operation, and specifications of the Yongnuo YN-622TTL wireless flash trigger for Canon EOS cameras.
The Yongnuo YN-622TTL is a high-performance multi-light photography master and slave device that utilizes digital FSK 2.4GHz wireless transmission to control up to seven channels across three groups (A, B, C). It supports remote setting of flash parameters via the camera menu for compatible Canon EOS series DSLRs, including E-TTL II, manual, and multiple-flash modes. The unit features a master/slave design with a maximum range of 100 meters. This manual is written in Chinese.
The device supports a wireless control distance of 100M.
The unit supports 7 wireless channels and 3 flash groups (A/B/C).
The device supports a maximum sync speed of 1/8000s.