PC-Nikkor 35mm f/2.8 is a retrofocus-type perspective control lens primarily designed for architecture and interior photography; however, the lens is suitable for any 35mm wide-angle photography when shift function is not being used. The 35mm f/2.8 special mount enables up to 11mm off-center shift for perspective control, shift adjustments via milled knob at side of lens and shift scales provided with graduations at 1mm intervals. Its optical construction consist of seven elements in seven groups. The optics rotate 360°for perspective control adjustments in any direction. Click-stops provided at each 30 of rotation and maximum permissible shift values engraved at each click-stop position.