Tokina has announced availability and pricing details for the Nikon version of its new AT-X 12-28mm f4 PRO DX wide zoom. Designed for digital SLR cameras with APS-C sized sensors, the Tokina AT-X 12-28mm f4 PRO DX offers users a 35mm equivalent focal range of 18-42mm on Nikon DX bodies. Weighing in at 600 grams, the Tokina AT-X 12-28mm f4 PRO DX features 14 elements in 12 groups and boasts a minimum focus distance of only 25mm from the sensor plane. Furthermore, the lens sports Tokina’s exclusive one-tocuh focus clutch mechanism that allows the photographer to switch between AF and MF simply by snapping the focus ring forward for AF and back toward the camera to focus manually. In the euro zone, the Nikon version of the Tokina AT-X 12-28mm f4 PRO DX will be available from the first half of the summer, priced at €659.