The bolt-on AXS-R5 recorder works with the PMW-F55 and PMW-F5 cameras to record the highest quality 16-bit RAW 2K/4K images. The recorder works with sleek, optional AXSM™ memory cards, which are compatible with an affordable optional USB 3.0 reader, the AXS-CR1.Once on a PC, the RAW files can be screened using Sony’s free RAW Viewer software. AXSM memory provides a super fast, affordable format for sensational quality recordings.