The Pentax 645D is a medium format digital camera that can deliver a 40 megapixel image quality and ultra high resolution images for even the largest print sizes. Its 44 x 33 mm CCD sensor has a top resolution of 7264 x 5440, thus allowing for extreme flexibility when cropping an image. It has an 11-point autofocus system and an ISO range from 100 to 1,600. The viewfinder is made of glass and has a trapezoid pentaprism with interchangeable focusing screens, thus allowing a 98 percent field of view for accurate framing applications.
