LPF (Low-pass filter) effect cancellation takes full advantage of the original resolving power of the 50.6 effective megapixels CMOS sensor, delivering even higher resolution images. Newly designed 50.6 Megapixel full-frame CMOS helps deliver ultra-high resolution images EOS Scene Detection System features a 150,000-pixel RGB+IR Metering Sensor 61-Point High Density Reticular AF including up to 41 cross-type AF points and EOS iTR Advanced mirror control mechanism and new user-selectable shutter release time lag.Recording Media – CF card: Type I drive (Incompatible with Type II and Microdrive.). High-speed writing possible with UDMA CF cards. SD, SDHC, and SDXC memory cards: High-speed writing possible with UHS-I SD cards. MultiMediaCard (MMC) cannot be used. (A card error will be displayed.)