the PXW-FX9 XDCAM 6K Full-Frame Camera System from Sony has flexible 4K interchangeable lens camera system. The PXW-FX9 features a full-frame, oversampled 6K Exmor R CMOS sensor that allows you to capture 4K images with cinematic depth of field. Features include 12G-SDI and HDMI outputs for 4K, a 3G-SDI output for HD, and genlock and timecode when using a multicamera setup. The Fast Hybrid AF autofocus system allows for accurate focus and facial detection with 561 points of detection. Advanced image stabilization is achieved using the PXW-FX9's internal gyroscope. Its 4-channel audio recording allows you to use external microphones and record ambient sound with the internal mics simultaneously. The camera features a 15-stop dynamic range and records 10-bit 4:2:2 to dual XQD media card slots that support simultaneous and relay recording, as well as multiple backup recording modes that utilize proxy files. The camera can record UHD (3840 x 2160) and HD (1920 x 1080) internally at a selectable frame rate from 1 fps up to 60 fps in XAVC-I, XAVC-Long, and MPEG HD formats. 7-stop electronic variable HD filter can smoothly adjust from 1/4 to 1/128 density. Dual base ISO range of 800/4000. Also, a maximum 28-second Cache Rec is available to prevent missing any shot.