Ricoh released firmware updates for the Pentax K-S1, K-S2, K-3 II and K-1 cameras

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Last week Ricoh released firmware updates for the Pentax K-S1, K-S2, K-3 II and K-1 cameras that bring compatibility with thew new KAF4 lens mount (electromagnetic diaphragm control system):

  • Corresponded to [KAF4 lens mount] that is equipped with an electromagnetic diaphragm control system.
    Enable new lens HD PENTAX-DA 55-300mmF4.5-6.3ED PLM WR RE to shoot stable by updating firmware.
  • Improved stability for general performance.

Download links:

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