Bolt VS-570SMI Wireless TTL Flash for Sony A7, A9, A6000 Series - Professional Camera Speedlite with High-Speed Sync - Perfect for Wedding, Portrait & Studio Photography

Create light around your subject or augment existing light with the VS-570SMI Wireless TTL Flash from Bolt. Available here to be fully compatible with Sony's ADI / P-TTL, including use as a wireless master or slave TTL flash, the VS-570SMI allows photographers to work quickly and comfortably by knowing that settings can be easily determined with the camera's automatic metering system. Compatible with Sony ADI / P-TTL Guide number of 141' at ISO 100 and 50mm position Zoom head offers coverage of 24-105mm on full-frame sensors with the ability to cover 18mm when the pull-out diffusion panel is used Manual power control from 1/1 to 1/64 Tilts upward 90° and rotates right 120° and left 180° Built-in reflector panel can bounce some light forward when the flash is tilted to fill in shadows and create catchlights 1.8" backlit LCD screen AF assist light for working in dim lighting conditions The flash can be set up as a wireless master or slave TTL flash unit In addition to use as a slave TTL flash for Sony the VS-570SMI can be set up as a slave TTL unit for Canon and Nikon systems Wireless transmission for manual master and slave modes uses an optical pulse method with 33' range Access to 4 wireless channels and 3 groups Ratio group control settings of ABC, A:B, and A:B+C Optical slave timing modes include instant sync, skip one pre-flash, and skip two pre-flashes Flash duration of 1/1000 to 1/20,000 second High-speed, 1st & 2nd curtain synchronization options PC sync terminal for wired connection to your camera Runs on four AA lithium, NiMH, or alkaline batteries or an external power pack via the HV power port