, this camera delivers a stunning 40MP of resolution in a package not much larger than top-of-the-line DSLRs (6.1 x 4.6 x 4.7"/15.5 x 11.68 x 11.93 cm and 49 oz/1389 g). JPG (8-bit depth) and RAW (14-bit depth) files offer superb image quality. The 645D is compatible with all Pentax 645AF2 bayonet mount lenses. It has an 11-point autofocus system and 77-segment metering system, an all-glass trapezoid pentaprism viewfinder, and a 3" LCD display.