Pentax K-3II Pentax DSLR (Body Only) 24 effective mega-pixels in an APS-C sized CMOS sensor with ISO range of 100-51200.Resolution:24.35 Megapixels Built-in GPS with Astro Tracer Function for Astro photography with built in compass function Pixel Shift Resolution by in body shake reduction function for razor sharp images with excellent detail and color reproduction FLU, Eye-fi Wireless, and SDX Memory card compatibility for easy image transfer to mobile devices and remote control of camera Dual SD card slot