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

• 8 years ago
• Categories: Firmware updates, Pentax K-1, Pentax K-3, Pentax K-S1, Pentax K-S2
• Tags: X K-AF4

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:

• Pentax K-S1
• Pentax K-S2
• Pentax K-3 II
• Pentax K-1