F43AM External flash. Versatile external flash with Quick Shift Bounce & wireless support. Ideal for everyday shooting & studio use. Quick Shift Bounce system for consistent lighting. Advanced features optimised for &alpha cameras Designed for the real world. Controls & joints are sealed against dust & moisture for surer shooting in tough environments. A perfect partner for all &alpha DSLR/SLT cameras by Sony it&039. s tailor-made to match the ruggedized seals of the &alpha 77 camera & VG-C77AM vertical grip. Powerful flash output. Feel the power with higher output levels to light up subjects far from the camera Broaden your creative options with the powerful GN43 rating that throws more light on portrait sitters interiors & studio compositions. Great results in any position. Keep shadow positions consistent whether you&039. re shooting in landscape or portrait positions. Unique to Sony the Quick Shift Bounce system lets you switch between different camera orientations in one seamless movement. Wireless flash control. Adding extra light sources lets you create professional-looking pictures without harsh shadows. Trigger additional off-camera flash units with no need for wires or tricky calculations. Intelligence built in This advanced flash makes a perfect partner for your &alpha DSLR/SLT camera Illumination angle is automatically matched to the camera&039. s image sensor size. Information from the flash automatically adjusts camera&039. s White Balance settings for natural results. External flash unit with GN43 (105 mm. lens ISO 100) Quick Shift Bounce system maintains consistent shadows with camera in horizontal or vertical orientation. High accuracy ADI flash metering combines TTL metering & guide number control. Intelligent WB adjustment with colour temperature information. Flash head position click-adjustable up to 90.