- Built-In 2.4 GHz X Wireless Radio System
- Guide Number: 197′ at ISO 100
The TT685S II operates as a full wireless master or slave unit with TTL functionality, and for maximum versatility this updated unit tilts from -7 to 120° and rotates 330°, giving you more flexible flash angles and a more efficient lighting setup process. Also featured is a new and unique TCM (TTL Converted to Manual) function, which allows for instant conversion from TTL to manual mode.







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