Ricoh Theta Z1 360 camera announced with Raw capture, improved optics and more Ricoh Imaging has announced the launch of the Theta Z1, its latest flagship model of its 360-degree camera system. The Ricoh Theta Z1 can capture 23MP still images and 4K/30p 360-degree video on its two 1"-type backside-illuminated CMOS sensor with a maximum sensitivity of ISO 6400. Ricoh has added a new HDR Rendering mode. In addition to JPEG still image support, the Theta Z1 now supports Adobe DNG Raw capture for more post-processing flexibility