The Ricoh Theta Z1 51GB is the flagship model of this series and has all the features of the Theta Z1 plus internal storage capacity has been significantly increased from 19GB to 51GB.The compact body is equipped with a 1.0-inch back-illuminated Cmos image sensor, enabling approx. 23MP resolution 360-degree still images. Shoot smooth and immersive 360-degree videos in 4K (3840x1920 pixels) and 30 frames per second (fps) thanks to exceptional 3-axis rotational stabilization to compensate for rotational shake.The 0.93-inch organic El monitor offers access to a multitude of information at-a-glance, including the number of possible shots and exposure settings. In addition to Jpeg, the Theta Z1 51GB supports Adobe Dng format (Raw) so that users can enjoy professional image editing like a digital Slr camera. The Android-based operating system offers performance improvements by providing flexibility in the number of expansion plug-ins a user can install on the camera.