Nikon PC Micro-Nikkor 85mm f/2.8D, a medium telephoto lens that produces natural-looking colors and out of focus elements. The PC Micro-Nikkor 85mm f/2.8D lens is ideal for a vast array of photographic styles. The lens is a retro-focus type perspective control lens that allows you to emphasize or correct near and far perspective, or control depth of field. Distortion caused by the camera angle are also corrected with this lens. The lens' tilt and shift technology enables focus of the entire subject plane when it is not parallel to the camera. The lens employs six elements in five groups lens construction, 0.5 feet close focusing distance, nine rounded diaphragm blades creating a pleasing blur in front or behind the subject and 77mm filter thread.