M.ZUIKO DIGITAL ED 40-150mm f4.0-5.6 is extremely light, weighing only 6.7 ounces. With a wide zoom range with a 35mm equivalent to 80-300mm, this lens offers versatility and portability. Its an affordable complement to the powerfully simple 3x wide-angle zoom lens (M.ZUIKO DIGITAL ED 14-42 f3.5-5.6) that comes standard with the PEN kit. The M.ZUIKO 40-150mm has two lens elements in the rear focusing mechanism. The focusing mechanism is designed to deliver quiet and precise operation, for an affordable, high quality means to capture your life in still images or HD videos.