Nikon AF-S FX NIKKOR 85mm f/1.4G Lens with Auto Focus for Nikon DSLR Cameras Ultra-fast f1.4 classic portrait lens, Nano Crystal Coat Focal Length : 85 mm, Minimum Focus Distance : 3.0 ft. (0.85m) Optimized for edge to edge sharpness on both FX and DX cameras;Closest focusing distance:0.85 m M/A Focus Mode Switch enables quick changes between manual and autofocus operation Internal Focus (IF) provides fast and quiet autofocus