YOYN685EXRF

YN685EX-RF

Yongnuo

Compatible with Sony cameras with a multi interface shoe mount, the Yongnuo YN685EX-RF 2.4GHz Wireless Flash Speedlite works with mirrorless cameras including the a7R - a7R IV, a7S - a7S III, a7 - a7 III, a6600, and more. It features an integrated transceiver and receiver. During radio transmission, it can be used as a master or slave unit. It's fully compatible with RF signals from the Yongnuo YN650EX-RF, YN320EX, YN685 II, YN720, YN560 IV, YN660, YN560 III, YN560-TX (Pro), RF603, RF602, and YN32-TX. When used as a radio master unit, this speedlite is able to control five independent groups. It's powered by four AA batteries (alkaline or nickel-metal), not included.Key Features Integrated transceiver and receiver, compatible with Yongnuo's RF radio trigger system (RF602/603) Can be used as a master or slave unit 16 transmission channels and 10,000 wireless radio IDs Supports multi-group flash independent control Supports optical transmission wireless slave flash use GN60 at ISO 100 (7.9") TTL, M, and multi mode support High-speed synchronization (1/8000s) 328' radio transmission distance USB firmware updates Super-speed recycle system (2s) External battery pack support Real-time display of power consumption Electric zoom Sound prompt Custom and autosave functions LCD display Standard PC synchronous interface