As a master unit, TT685F can work in TTL / M flash mode; As a slave unit, TT685F is compatible with Godox X1, X Pro, X2 series flash transmitter. With wireless grouping system (max. Model: TT685F. 【Powerful Functions】 Support TTL auto flash, multiple flash, manual flash, 1/8000 high speed sync, flash exposure compensation, flash exposure lock, manual focus assist, rear curtain synchronization, etc; focus assist lamp, buzzer function, overheat protection, etc. ).
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