Pentax 645Z Firmware v1.21 Released

Stability improvements for wired tethering

By PF Staff in Firmware Updates on Mar 26, 2015
Pentax 645Z Firmware v1.21 Released

Ricoh Imaging has just released a firmware update for the Pentax 645Z: version 1.21.  Alongside updates for Image Transmitter 2 (v2.1.0) and the Pentax Digital Camera Utility (v5.3.1), the new firmware enhances the 645Z's wired tethering functionality.

The Digital Camera Utility update also brings other improvements including Pentax K-S2 support and new lens definitions, so we recommend that all users apply this update.

Note that you can only apply the desktop software updates if the Pentax software is already installed on your computer.  Pentax does not offer electronic downloads of Digital Camera Utility (included with most DSLRs) or Image Transmitter 2, which must usually be purchased separately.

Click here to download the 645Z update from the Japanese Pentax support site

Click here to download the desktop software updates

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Changelogs

Below you will find the full list of changes as per the official Japanese Pentax support site.

645Z Firmware v1.21

  • Improved stability of tethered shooting when using Image Transmitter 2.
    *In this update, HDR RAW shooting cannot be used when using Image Transmitter 2 with tethered shooting.
  • Improved stability for general performance.

Image Transmitter 2 v2.1.0

  • Added Digital Camera Utility 5 connection.
    -  Automatic image display of transfer image file.
    -  Move display folder on Browser mode
    -  Automatic thumbnail display of transfer image file on Browser mode
    -  Automatic addition for editing image list on Laboratory mode
    -  Connection ON/OFF setting for Option dialog
  • Changed window size to 1024x768 pixels.
  • Image files name display during image transfer.

Digital Camera Utility v5.3.1

  • Added lens data
    [HD PENTAX-DA 16-85mmF3.5-5.6ED DC WR]
    [HD PENTAX-DA 18-50mmF4-5.6 DC WR RE]
    [smc PENTAX-DA L18-50mmF4-5.6 DC WR RE]
    [HD PENTAX-D FA★70-200mmF2.8ED DC AW]
    [HD PENTAX-D FA 150-450mmF4.5-5.6ED DC AW]
  • Added display parameter of digital filter history on image data display
  • Added setting value for highlighted clear, drive mode and interval mode on image data display.
  • Added level setting for Peripheral Illumination Correction.
  • Correspond to Image Transmitter 2 connection. (Transfer image automatic display and Thumbnail display)
  • Correspond to K-S2
  • When double-click on the image display and display the image at the 100% magnification, click point become the center of display.

Pentax 645Z firmware update instructions:

  1. Download the latest firmware ZIP file from this page
  2. Extract the file to a folder of your choosing
  3. Locate the extracted .BIN file and copy it to the root (top level i.e. outside of any folder) of a formatted SD card
  4. Insert the card into your camera's SD1 slot and ensure the battery fully charged
  5. Turn the camera power on while pressing the MENU button
  6. Select "Yes"at the firmware prompt
  7. Once the screen displays "Complete", turn off your camera
  8. Power your camera back on and resume normal use
  9. In order to verify that the firmware update was successful, go to the firmware option under the setup (wrench icon) menu tab, and confirm that the indicated firmware version matches that of the update.

Note that all updates are cumulative, so you do not need to install or download previous updates (nor is it possible to do so).

Firmware Update Tutorial Video

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