79-point focal plane phase-detection AF sensor. The compact, lightweight camera delivers superb image quality - via newly developed 24.3 -effective-megapixel (approx. ) Exmor APS HD CMOS sensor and BIONZ X image processing engine - as well as highly intuitive operation thanks to an OLED Tru-Finder and two operation dials. The charging time is approximately 310 minutes. Sensor - Anti-Dust System - Charge protection coating on Optical Filter and ultrasonic vibration mechanism