Nikon PC Nikkor series Perspective Control Wide Angle lens with an aperture of f/3.5 is compatible with Nikon SLR cameras. This Nikon lens is capable of being used with Auto & Manual focus. It contains 9 elements in 8 groups and features a focal length of 28 mm. The lens is compatible with 72 mm filters. It has 7.87 cm diameter, 6.45 cm length and weighs 379.8 g.