MAGIPEA SP692C TTL Speedlight Flash For Canon Digital SLR Cameras Speedlight SP692C is a pro-level flash that can be used in TTL Autoflash, Manual and Multi (Stroboscopic) modes. In wireless mode, it can be used as a master or as a slave unit up to 33' with other Canon or Genesis speedlights, which can be set to four different channels and divided into three groups, each capable of different flash modes and output levels. A Power Zoom function automatically adjusts the zoom position to match the lens focal length, the available zoom positions cover a wide 24mm to 180mm angle of view. Also includes Flash exposure bracketing, Flash exposure lock and thermal cut-out safety feature. Soft-case, diffuser and mini-stand included.