The previously rumored new Ricoh THETA Z1 51GB camera will be announced soon – pre-orders will open on March 25th according to Nokishita.
Update (Google translated):
The mass retailer price of Ricoh “THETA Z1 51GB” seems to be 132,800 yen including tax. The planned release date is the end of April 2021. The changes are “The capacity of the built-in memory has been increased to about 51GB, and it is possible to shoot about 6350 still images (JPEG).” “The Z1 51GB sold in Japan has some plug-ins that operate in client mode. Usage / development is restricted.