Olympus launched the M.ZUIKO DIGITAL ED 12-50mm F3.5-6.3 EZ (35mm equivalent 24-100mm) as its first fully-compatible interchangeable Micro Four Thirds lens to incorporate an electronic motorized zoom. The new lens has a zoom ratio of approximately 4.2x with macro capabilities (focusing is possible between 8 and 20 inches). Manual zooming is also available for those looking to take full control.
GIZMOGRAPH, M.ZUIKO DIGITAL ED 12-50mm F3.5-6.3 EZ Lens for PEN Lovers