he FUJINON GF80mmF1.7 R WR is the world's first F1.7 large aperture prime lens with autofocus for large format systems. The GF80mmF1.7 has a standard focal length of 80mm (equivalent to 63mm in 35mm format). This large aperture autofocus (AF) prime lens has a maximum aperture of F1.7, making it FUJIFILM's fastest G-mount lens.