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Function Expand Firmware | PENTAX K-3 Mark III | RICOH IMAGING
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Ricoh's new firmware for Pentax K-1, K-1 Mark II and K-3 Mark III adds season-specific presets, but only if you have the right lenses: Digital Photography Review
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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