Panasonic Lumix G 42.5mm f/1.7 ASPH. Power O.I.S. Lens: Get the shot you want by using this 42.5mm lens, which works with most cameras featuring a Micro Four Thirds mount. With a Power O.I.S. (optical image stabilizer), the lens reduces the effects of camera shake and vibration to promote clear capture. Compatible with most cameras with a Micro Four Thirds mount; Power O.I.S.