Featuring an amazing 51.4 megapixels on a high-performance CMOS image sensor, the PENTAX 645Z assures super-high-resolution images with a stunningly realistic sense of depth combined with vivid colors and rich shadow detail. The resulting image features a uniquely distinct look and unmistakable brilliance. The CMOS image sensor, with an imaging area (43.8mm x 32.8mm) approximately 1.7 times larger than that of a 35mm full-size sensor.