The PENTAX K-1 Mark II, the new flagship of the acclaimed PENTAX K-series lineup, delivers outstanding image quality and improved operability in a broad range of shooting conditions. It features a full-frame Anti-aliasing (AA)-filterless CMOS sensor with 36.4 effective megapixel resolution. An new accelerator unit that-along with the camera’s PRIME IV image processor-enables it to produce high-resolution images with minimal noise in even in the most challenging low-light conditions, up to ISO 819200.