Likely tired of losing high-end cinema camera orders to the likes of Red and Arri, Sony has just launched a pair of CineAlta PL-mount cameras with brand new Super 35mm sensors: The PMW-F5 and PMW-F55. Though both pack 4K CMOS imagers, the similarities grind to a halt there -- the higher-end PMW-F55 has a global shutter, wider color gamut and can output 4k along with 2k and HD video,