Panasonic LUMIX G 42.5mm f/1.7 ASPH. POWER O.I.S. Lens for Micro Four Thirds CameraCreative photographers can ignite their creativity and start shooting beautiful photos with the Panasonic Lumix G 42. 5 f 1. 7 ASPH Power lens. The Lumix is an 85mm equivalent lens designed for the micro four thirds system. The lens' f 1. 7 maximum aperture is specifically helpful for selective focus imagery and also aids shooting in low light situations. An aspherical lens element is incorporated within the optical design helps reduce chromatic