The Speedlite 90EX combines simplicity with a compact, lightweight design, making it ideal for the Canon EOS M Digital Camera. With many features directly accessed through the camera’s menu system, the Speedlite 90EX offers easy and intuitive operation. It supports 24mm wide-angle lenses (35mm terms) and can control multiple flash units for advanced, creative lighting effects. The Speedlite 90EX also features a standard Canon EOS hot shoe mount for compatibility with all EOS SLRs.