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YONGNUO TTL Flash Unit Speedlite YN568EX YN-568EX with High Speed Sync 1/8000 for Nikon Digital

Product Description :
Support HSS the High Speed Sync up to 18000 second
TTL Flash With GN58 ISO100 105mm
Supports for Nikons System and Supports AutoManual Zooming
Comprehensively Support TTL Functions and Sound Prompting System
Advanced Settings On Flash and Automatic Setting Saving