Pentax announces D FA 645 55mm F2.8 lens

In conjunction with its announcement of the 645D medium format camera, Pentax has announced the smc D FA 645 55mm F2.8 AL[IF] SDM AW lens. First in the D FA 645 lens series, this weather-resistant prime lens features a Supersonic Direct-drive Motor (SDM) autofocus drive and Quick-Shift for instant AF/MF switching. It is also the company's first 645 system lens to incorporates a rounded diaphragm.The 55mm lens will be available alongside the 645D camera at a suggested retail price of ¥100,000 (~ US $1,100).