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Pentax K-3 - Pentax K-mount DSLRs - Pentax Camera Reviews and Specifications
Pentax K-3 III Firmware Update v1.31 Released - Firmware Updates | PentaxForums.com (Mobile)
Pentax K-3 III firmware update version 1.10 released - Pentax & Ricoh Rumors
The new Pentax K-3 III camera will adopt the user interface (menu system) from the Ricoh GR III - Pentax & Ricoh Rumors
Ricoh Imaging - A new Firmware (Version 1.20) for the PENTAX K-3 Mark III has just been released. Be sure to download and install this new firmware and let us know what