NEEWER Upgraded NW645II-S TTL Flash Speedlite, GN58 HSS Optical Slave Rear
NEEWER Upgraded NW645II-S TTL Flash Speedlite, GN58 HSS Optical Slave Rear Curtain Sync Compatible with Sony A9 II A9 A7R V IV III II A7 IV III A7S III II A7C A1 A6600 A6500 A6400 A6100 A6000 A99 A35 【Upgraded Multifunctional Speedlite】 NW645II-S Speedlite supports TTL, HSS (high speed sync) up to 1/8000s, optical slave mode, stroboscopic flashes, flash exposure...