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Ricoh releases Pentax 645Z and K-1 firmware updates and IMAGE Transmitter 2 software v2.3: Digital Photography Review
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New beta firmware updates for Pentax K-1, K-1 Mark II, and K-3 Mark III cameras - Pentax & Ricoh Rumors
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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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