RICOH THETA models are identifiable by the two initial letters of the serial number on the bottom of each camera body.
- Two initial letters: Models
- YR: RICOH THETA X
- YP: RICOH THETA SC2
- YN: RICOH THETA Z1 (YN1, YN2 : 19GB model / YN3 : 51GB model）
- YL: RICOH THETA V
- YJ: RICOH THETA SC
- XS: RICOH THETA S
- XN: RICOH THETA m15
- XL: RICOH THETA (2013 model)
Example : RICOH THETA V
