Buy the Pentax K-1 Mark II or upgrade the K-1? by Jose Antunes - ProVideo Coalition
Pentax K-3 Mark III Firmware Update 1.01 released
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Game changing firmware on K3 Mark III : r/pentax
Ricoh Imaging - New Firmware Updates for the K-1 Mark II (Version 1.30) and K-1 (Version 1.60) have been released. New Enhanced Feature • Added [ SATOBI ] to Custom Image Mode
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New Pentax K-1 and K-1 II firmware updates released - Pentax & Ricoh Rumors