Ricoh releases Pentax 645Z and K-1 firmware updates


Ricoh Imaging has released new firmware for its Pentax 645Z medium format camera and K-1 full-frame DSLR.

The new firmware improves stability for both cameras and also makes them compatible with the company’s Image Transmitter 2 version 2.3 software.

Image Transmitter 2 version 2.3 as well as firmware version 1.41 for the K-1 and 1.23 for the 645Z are now available to download on the Ricoh Imaging website. See below for details and download links.

Pentax K1 Firmware V1.41 and 645Z Firmware V1.23

Pentax K1 Firmware V1.41 and 645Z Firmware V1.23

Pentax K1 Firmware V1.41 Changes

[Enhanced features]

  • Correspond to Image Transmitter 2 version 2.3.0
    [Function enhancement/Additional item when using Image Transmitter 2 version 2.3.0 ]
    –  Drive mode change function.
    –  White balance change function.
    –  Custom image change function.
    –  Image recording format change function.
    –  JPEG recording size change function
    –  Recording image quality change function.
    –  Card slot setting function.
    –  Live view magnification change function.
    –  Focus fine adjustment function for live view.
    –  Focus assists setting function.
    –  Start and stop / file transfer for movie shooting. (Live view is incompatible)
  • Improved stability for general performance.
    *When this update is done, the contents of version 1.40 and earlier will be also updated.

Download Pentax K1 Firmware Update V1.41

Pentax K1 Firmware V1.23 Changes

[Main changes from Version 1.22]

  • Correspond to Image Transmitter 2 version 2.3.0
    [Function enhancement/Additional item when using Image Transmitter 2 version 2.3.0 ]
    –  Drive mode change function.
    –  White balance change function.
    –  Custom image change function.
    –  Image recording format change function.
    –  Card slot setting function.
    –  Live view magnification change function.
    –  Focus fine adjustment function for live view.
    –  Focus assists setting function. (Only for Windows)
    –  Exposure bracket setting function. (Only for Windows)
  • Improved stability for general performance.
    *When this update is done, the contents of version 1.22 and earlier will be also updated.

Download Pentax 645Z Firmware Update V1.23