Pentax K-3 DSLR incorporates a 24 MP APS-C CMOS sensor combined with the newly developed PRIME III Imaging Engine, which produce high-resolution, fine-gradation images, and offers high sensitivity of ISO 51200.
The K-3 allows the user to toggle the anti-aliasing filter's effect either on or off, and also to adjust the level of the effect for supreme resolution and zero limitation.
K-3 equipped with the new SAFOX 11 AF system features with an expanded image-area coverage using 27 AF sensors to assure high-accuracy auto-focusing. The Real Time Scene Analysis System utilizes an 86,000 pixel RGB light-metering sensor and improved algorithms that further enhance accuracy of exposure, white balance as well as aiding the autofocus system.
Read morePentax K-3 DSLR User Manual, Instruction Manual, User Guide (PDF)