The new standard for TTL flashes: The Phottix Mitros. After more than three years in development Phottix's series of TTL hot shoe flashes for Canon, Nikon and Sony. The Mitros will do everything you expect a top-of-the-line TTL flash to do. Functions include built-in IR triggering with Master and Slave modes, AF assist light, auto/manual zooming flash head, all with fast recharge times. The Phottix Mitros TTL Flash includes a USB port for firmware upgrades and a 3.5mm sync port. The Phottix Mitros is powerful, with a guide number of 58 and features high quality components custom designed by Phottix or imported from America, Japan or Taiwan. The flash features full TTL functionality as well as manual and multi modes. It is the perfect compliment to the Phottix Odin TTL Flash Trigger system. Use it on camera for shooting events or weddings, or off-camera with a Phottix flash trigger, light stand and umbrella or softbox for portraits or product photography. This is a professional-level flash at home on-location or in the studio.