The new CA-HF550 and CU-HD550 camera accessories are compatible with all Hitachi 1080p and 1080i Z and SK-series HDTV cameras. See chart below. The new progressive-scan models and can combine with Hitachi Kokusai’s 1080p60-native studio and field production cameras to create a fully-progressive 1080p60 system. This includes the global-shutter models Z-HD5500 and the SK-HD1800 cameras. This provides camera system with fully-progressive signal paths for maximum visual quality.