Firmware: v1.20
data: 30/09/2021[Enhanced features]
Added support for IMAGE Transmitter 2 (Version 2.6.0)
[Others]
Improved the individual AF fine-adjustment settings to identify the attachment of the HD PENTAX-DA AF REAR CONVERTER 1.4X AW.
Improved stability for general performance.
download:
http://www.ricoh-imaging.co.jp/english/support/digital/k-3-3.html