Pentax announced the smc D FA 645 25mm f4 AL SDM AW ultra-wide-angle lens for the 645D digital medium-format SLR camera.

The DA645 is a 28-45mm lens that starts at a 22mm and extends through to 35.5mm. Whether ultra-wide-angle scenes or subjects are your thing, the DA645 looks to have many bases covered.

Known as the Phase One 645 Camera or the Mamiya 645AFDIII, the co-developed camera platform will be sold exclusively by Phase One and Mamiya respectively. The system is designed in response to calls ...