Metz offers new Firmware Updates for flash units and supports macOS as of now. Zirndorf: As of now, there are new firmware-updates available for the flash units mecablitz M400, 52 AF-1 digital and 26 AF-2. Moreover, the device firmware of mecablitz M400 and mecablitz 64 AF-1 digital can now also be updated via Apple computer … Continue reading Metz M400 Flash Firmware Update 1.2 Adds Auto HSS and Wireless TTL