"Building upon the legacy of the award-winning K-3, the Pentax K-3 II offers outstanding image quality and operability to meet a photographer's greatest demands. It features an impressive 24.35 effective megapixel AA Filter-less APS-C CMOS sensor, along with a high-performance 27-point AF system and 8.3 frames per second of continuous shooting.The addition of the newly developed Pixel Shift Resolution System delivers more truthful color reproduction and finer details while significantly lowering the level of high-sensitivity noise. With the updated Pentax Real-time Scene Analysis System, supported by the 86K-pixel RGB light-metering sensor, the K-3 II has the most responsive subject tracking of all Pentax DSLRs. Thanks to its new high-precision gyro-sensor, the K-3 II assures more effective camera-shake compensation up to 4.5EV steps.The K-3 II's newly integrated, built-in GPS and Electronic Compass extends the range of your photo shooting expedition, while the built-in Astrotracer function simplifies astrophotography by eliminating the need of an extra accessory to capture celestial objects such as stars, nebulas and planets. With a weather-resistant and dust proof magnesium alloy body, this exceptional field camera allows you to get closer to the action in the most extreme conditions. 24 effective megapixels in an APS-C sized CMOS sensor Designed for the demanding photographer, the K-3II features a 24.35 effective megapixel AA Filter-less A|Pixel Shift Resolution Technology: Composite an image from 4 shots taken by shifting the image sensor by exactly a pixel in 4 directions. The result can be outstanding high definition and true-to-life color accurate image since the data is reproduced|Diffraction Correction: suppresses the aberrations that degrade the definition of the image which occurs when shooting with larger F stop. Maximum 2 F-stop improvement. Fast processing time attained due to PRIME III. Can be applied also at in-camera|Optical AA filter-less 24.35M CMOS image sensor and high performance image processing engine ""PRIME III"": assures the high quality image output up to ISO 51200|AA filter simulator: Microscopic vibration of the image sensor unit during image exposure generates the same level of moire-reduction effect as optical AA filters.|AF.C algorithm is renewed to improve tracking accuracy on the moving object in depth (near - far) direction: With the updated PENTAX Real-time Scene Analysis System supported by the 86K-pixel RGB metering sensor, K-3II assures the most responsive sub|Built-in GPS with AstroTracer function: K-3II's built-in GPS and Electronic Compass extends your range of photo shooting expeditions|27-points Auto-focusing: High sensitivity of AF minimum luminance -3EV 27 AF points(25 cross points). 3 points at the center covers even F2.8 luminance flux.|Electronic Compass|Improved AF-Continuous Tracking|86K RGB sensor|8.3 fps continuous shooting: Mirror-bounce Damper mechanism absorbs the unnecessary mirror-shock so the camera can quickly start the metering and focusing for the next shot.|Shake Reduction (SR): Thanks to the newly adopted high sensitive gyro-sensor, K-3II now ensures camera shake free shooting up to 4.5EV steps*."