Camera Lens EF-M55-200mm F4.5-6.3 IS STM [Canon EF-M Mount] (Black) This is the Canon telephoto zoom lens "EF-M55-200mm F4.5-6.3 IS STM." It is an interchangeable lens exclusively for Canon's "EOS M" series of mirrorless cameras. It has a compact and lightweight design, making it easy to carry around. Equipped with STM (Stepping Motor), it allows for smooth focusing. Optical image stabilization is also built-in. Size: Canon EF Mount