The GF45-100F4 R LM OIS WR standard zoom lens has a focal length domain of 36mm and 79mm, a smaller 35mm format, and a maximum wide-angle path of F4. It is a portrait lens with a function that comes with autofocus and 5-stop image stabilization, allowing you to see the sharpness and not miss every important shot. Portrait photography The lens is dustproof and automatic conditions, even in temperatures as low as -10°C.