NEEWER Upgraded NW645II-S TTL Flash Speedlite, GN58 HSS Optical Slave Compatible with Sony Alpha, Black

NEEWER Upgraded NW645II-S TTL Flash Speedlite, GN58 HSS Optical Slave Compatible with Sony Alpha, Black

• 【Upgraded Multifunctional Speedlite】 NW645II-S Speedlite supports TTL, HSS (high speed sync) up to 1/8000s, optical slave mode, stroboscopic flashes, flash exposure compensation, rear curtain sync, and other features. A high guide number (GN58, ISO100m) allows lighting from a longer distance. A clear LCD screen displays all the information you need for precise settings 
• 【Premium Flash Output】 Flash output is adjustable from 1 to 1/128 in 1/3 increments according to the actual ambient light. 0.1-3.5s short recycle time and 1/300-1/20000s flash duration let you capture every transitory moment. An CP-E4 external charging port is available to speed up the recycling. Stable 5600K±200K daylight delivers a consistent color temperature to all shots
• 【Rear Curtain Flash Sync】 NW645II-S supports rear curtain sync in which flashes burst at the end of exposure and freeze movements in the meantime. With this useful feature at hand, you can easily achieve a well illuminated photoshoot with smooth, expressive motion trails
• 【Optical Slave Control 】 It is compatible with original master flash units and can be activated when set on the same channel and group. Also supports S1 & S2 modes, where it can be triggered when the master units are in the manual mode and TTL mode, respectively
• 【Flexible Bounce Angles】 Flash head can swivel up and down between -7° and 90° and rotate 270° to bounce the light off a wall and help you get natural photographs with fewer shadows. The diffusers and reflector create a broad and diffused output with less harsh shadows Compatible with Sony A9 II A9 A7R V A7R IV A7 IV A7R III A7S III A7 III A7S II A7R II A7 II A7S A7 A7C A1 A6600 A6500 A6400 A6100 A6000 A99 A350