Pentax K-1 Firmware v1.30 Released

Four new features for the Pentax full frame

By PF Staff in Firmware Updates on Sep 28, 2016

Ricoh Imaging has just released its third firmware update for the Pentax K-1, which is also the first feature-enhancing update that we've seen in a long while.  It makes some very useful additions:

  • Electronic Front Curtain Shutter in Live View
    EFCS can now be selected.  This will help alleviate shake that otherwise induces a slight degree of blur at shutter speeds in the 1/90-1/180s range.

  • 1:1 Crop Mode
    Originally found on the K-1 prototype, the square crop mode has made a return.

  • Function Dial BKT Quality-of-life Improvement
    You can now go back to single-shot mode while BKT is selected on the Function Dial.  This is a big time-saver, as previously, you had to enter the menu or turn the Function Dial to another setting to exit bracketing.

  • 2-frame AA Simulator Bracketing
    You can now choose to bracket for only the Type 2 AA filter simulator setting.

Download the K-1 firmware from the official Pentax firmware site.  Pentax has also published a supplement to the user manual describing the new functions.

We discussed this update in more detail during our Photokina 2016 coverage.

See our in-depth review for more information about the Pentax K-1.

Pentax K-70 Firmware v1.10 Released

Stability fix update

By PF Staff in Firmware Updates on Aug 10, 2016

Ricoh Imaging has just released a new firmware update for the Pentax K-70.  This update optimizes support for the newly-launched DA 55-300mm F4.5-6.3 ED PLM WR RE lens.  Following the update, it is also possible to change the ISO between shots in the multiple exposure drive mode.

Download the K-70 firmware from the official Pentax firmware site.

Pentax K-70 v1.10 firmware notes:


  • Enabled ISO sensitivity to change during multiple exposures.
  • Optimized performance when attaching new lens HD PENTAX-DA 55-300mmF4.5-6.3ED PLM WR RE.
  • Improved stability for general performance.

An update for the Pentax Digital Camera Utility 5 desktop software was also released today.  Version 5.6.1 adds support for the K-70 as well as the new 55-300mm lens.  In addition, it corrects some bugs related to Pixel Shift files, and improves stability on Windows 10.

Pentax K-1 Firmware v1.20 Released

Adds KAF4 mount support

By PF Staff in Firmware Updates on Aug 4, 2016

Ricoh Imaging has just released its second firmware update for the Pentax K-1.  As promised at the time of the launch of the new KAF4 lens mount, the update enables the camera to control the aperture of KAF4 lenses, which use an electromagnetic diaphragm rather than the traditional stop-down lever.

The (APS-C format) DA 55-300mm F4.5-6.3 ED PLM WR RE is currently the only lens with the KAF4 mount.  It is due for release shortly.

Download the K-1 firmware from the official Pentax firmware site.

Official Pentax K-1 v1.20 firmware notes:


  • Corresponds to [KAF4 lens mount] that is equipped with an electromagnetic diaphragm control system. Enables new lens HD PENTAX-DA 55-300mm F4.5-6.3ED PLM WR RE to function.
  • Improved stability for general performance.

A similar update was also released today for the following cameras:

The latest Pentax K-70 natively supports KAF4 lenses.

Pentax K-3 II Firmware v1.10 Released

Adds KAF4 mount support

By PF Staff in Firmware Updates on Aug 4, 2016

Ricoh Imaging has just released its first update for the Pentax K-3 II.  As promised at the time of the launch of the new KAF4 lens mount, the update enables the camera to control the aperture of KAF4 lenses, which use an electromagnetic diaphragm rather than the traditional stop-down lever.

The video-optimized DA 55-300mm F4.5-6.3 ED PLM WR RE is currently the only lens with the KAF4 mount.  It is due for release shortly.

Note that a corresponding update was not released for the Pentax K-3, meaning that the aforementioned lens will always shoot wide-open on that camera.

Download the K-3 II firmware from the official Pentax firmware site.

Official Pentax K-3 II v1.10 firmware notes:


  • Corresponds to [KAF4 lens mount] that is equipped with an electromagnetic diaphragm control system. Enables new lens HD PENTAX-DA 55-300mm F4.5-6.3ED PLM WR RE to function.
  • Improved stability for general performance.

A similar update was also released today for the following cameras:

The latest Pentax K-70 natively supports KAF4 lenses.

Pentax K-S2 Firmware v1.20 Released

Adds KAF4 mount support

By PF Staff in Firmware Updates on Aug 4, 2016

Ricoh Imaging has just released a new firmware update for the Pentax K-S2.  As promised at the time of the launch of the new KAF4 lens mount, the update enables the camera to control the aperture of KAF4 lenses, which use an electromagnetic diaphragm rather than the traditional stop-down lever.

The video-optimized DA 55-300mm F4.5-6.3 ED PLM WR RE is currently the only lens with the KAF4 mount.  It is due for release shortly.

Download the K-S2 firmware from the official Pentax firmware site.

Official Pentax K-S2 v1.20 firmware notes:


  • Corresponds to [KAF4 lens mount] that is equipped with an electromagnetic diaphragm control system. Enables new lens HD PENTAX-DA 55-300mm F4.5-6.3ED PLM WR RE to function.
  • Improved stability for general performance.

A similar update was also released today for the following cameras:

The latest Pentax K-70 natively supports KAF4 lenses.

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