
In addition to the new Pentax K-3 Mark III firmware update version 1.31, Ricoh also released three beta firmware updates that are available only to Japanese Ricoh Imaging Photo ID members:
- Pentax K-3 Mark III Beta 1.40
- Pentax K-1 Mark II Beta 1.30
- Pentax K-1 Beta 1.60
Additional information (translated):











































