PENTAX K-1 – Firmware update v1.40

Release of the Function Expanded Firmware Version 1.40 for PENTAX K-1

(Useful new functions added for astrophotography)

Today, RICOH Imaging Company pleased to announce the release of the new function expanded firmware version 1.40 for PENTAX K-1 digital SLR camera (launched on April, 2016).

The function expanded firmware adds new features and increases the number of configurable setting to the current PENTAX K-1 digital SLR camera to further improve performance, ease of use and handling.

Changes to V1.40

[Expanded function]

  • Red-Lighted LCD Monitor Display Function
    The PENTAX K-1 provides a red-lighted LCD monitor display function, which prevents the pupils of the photographer’s eyes from constricting after they have become accustomed to a dark environment during astrophotography.
  • Bulb Timer Function
    The bulb timer function comes in handy when photographing celestial bodies or fireworks. The PENTAX K-1 allows the photographer to expand the exposure time up to 20 minutes in Bulb mode.
  • Others
    During slow shutter speeds the PENTAX K-1 features white dot noise reduction processsing.*
    Overall Improved stability for general performance.

* When Slow Shutter Speed NR is OFF and JPEG image.

PENTAX K-1 (v1.40)

・Direct download link for Software Updater (Windows/Machintosh) -> v1.40

New functions on camera menu

Download as PDF

  • Only PENTAX K-1 users are permitted to download the firmware update.
PENTAX Firmware Update Software for PENTAX K-1
Name PENTAX Firmware Update Software for PENTAX K-1
Registered name (zip type 8,572 Kbytes)
Applied product PENTAX K1
To check the version number, press the menu button and select [Firmware Info/Options] in the [Set-up 4] menu then press the four-way controller right.
Updated firmware file For Mac and windows : zip type
Release date 2016/11/17
How to check version
  1. Turn ON the camera.
  2. Press MENU button to display MENU screen.
  3. Press the four-way controller right to display [Set-up 4] menu screen.
  4. Select [Firmware Info/Options] in the [Set-up 4] menu then press the four-way controller right.

The firmware version for camera is displayed on the [Firmware Info/Options] screen.

Preparation of update
  • Blank, formatted SD/SDHC card (32MB or more)
  • USB cable 2.0)
    If you are copying the firmware update file to the SD card by connecting the camera directly to your computer.
  • SD card reader or a computer with a SD card slot.
    If you are copying the firmware update file to the SD card using a memory card reader / writer.
  • Fully charged battery (D-LI90)

*Be sure to use fully charged battery (D-LI90)
If the camera turns off during updating due to lack of battery power, the camera will become inoperable. If this happens, a charge will be made for repairs even if within the warranty period.

Download the updated firmware file
  • For Windows/Macintosh : 8,572Kbytes, zip type
Updating Procedure
  1. Provide a formatted SD memory card for the update software.
    The download file is self-extracting. The following file is extracted.
    Fwdc228b.bin: This is the updated firmware.
    Copy the above Firmware file [fwdc228b.bin] to the root directory in the SD card.
    If your computer does not have a card slot, you can copy the firmware update file by inserting the SD card into your camera and then connecting the camera directly to your computer.
  2. Insert the D-LI90 battery into the camera and confirm the battery is full by battery level indicator then turn the camera off.
  3. nsert the update SD card (prepared in step 1) into the camera (slot 1) and close card cover.
  4. Turn the camera power on while pressing the MENU button.
  5. “Updates the camera firmware” appears in the LCD monitor.
    Ver: 1.00/1.10/1.20/1.30→1.40 will be displayed.
  6. Press the four-way controller to select “Start” and press the “OK” button.
  7. “NOW LOADING” appears on the LCD monitor and updating starts.
    Please do not under any circumstances switch off the power before the update is completed.
  8. When update is completed, the “COMPLETE” will be displayed at the left bottom of the LCD monitor, then turn the camera off.
  9. Remove the update SD card from the camera.
    *Confirm the version of firmware with above [How to check version].

When updating is finished, the update SD card still contains the Firmware file.
If you want to use this card to take pictures, format the card by the camera to delete firmware file first.

  1. This software may only be used by users who own the PENTAX K-1
  2. This software is covered by a software license agreement. Please read the software license agreement before downloading the software.
  3. You will have agreed with this software license agreement when the download starts.


Posted in Cameras, DSLR, Files, Firmware Updates, Full Frame, PENTAX K-1.