Downloads : Firmware Update

Thank you for using a PENTAX K-1 digital camera.
RICOH IMAGING COMPANY, LTD. wishes to announce the release of Firmware Update Software Version 2.50 for PENTAX K-1.
Firmware in this document is the software that runs inside digital cameras.
This firmware contains open-source software. The applicable license is listed in a text file within the download file.

Changes to V2.50 from 2.42

[Corrected items]

• Improved stability for general performance.
• * When this update is done, the contents of version 2.42 and earlier will be also updated.
• * When this update is done, you will not be able to restore back to version 2.42 or earlier.

Changes to V2.42 from V2.41

[Corrected items]

• Corrected --- In firmware versions 2.40 and 2.41, there was an issue where the operation becomes unstable after shooting when the white balance setting is set to "Multi-pattern Auto WB".
• Improved stability for general performance.
• * When this update is done, the contents of version 2.41 and earlier will be also updated.
• * When this update is done, you will not be able to restore back to version 2.41 or earlier.

Changes to V2.41 from V2.40

[Corrected items]
The following problems that occurred when updating to firmware version 2.40 have been corrected.

• Corrected --- Images cannot be recorded when the ASTROTRACER Type 3 mode is combined with the interval shooting function
• Corrected --- The SD card slot indicators 1 and 2 on the upper LCD panel flash to indicate that the memory capacity is empty, even when some capacity is still available.
• Corrected --- The number of remaining shots available is incorrectly displayed in the viewfinder.
• Corrected --- In the ASTROTRACER Type 3 mode, the exposure countdown on the upper LCD panel advances at unintended moments.

• Improved stability for general performance.
• * When this update is done, the contents of version 2.40 and earlier will be also updated.
• * When this update is done, you will not be able to restore back to version 2.40 or earlier.

Changes to V2.40 from V2.30

[Enhanced features]

• The following model has been added to the lenses subject to the focus limiter function
  HD PENTAX-DA 35mmF2.8 Macro Limited.
• Added Astrotracer Type 2 and Type 3.
  For details.Click here

[Others]

• Simplified fonts have been updated.
• Improved stability for general performance.
• * When this update is done, the contents of version 2.30 and earlier will be also updated.
• * When this update is done, you will not be able to restore back to version 2.30 or earlier.

Changes to V2.30 from V2.20

[Enhanced features]

• Added custom image Special Edition [Gold]. For more details click here

[Others]

• Optimized operation when the HD PENTAX-FA 50mmF1.4 and smc PENTAX-FA 50mmF1.4 Classic are attached.
• Improved stability for general performance.
• * When this update is done, the contents of version 2.20 and earlier will be also updated.
• * When this update is done, you will not be able to restore back to version 2.20 or earlier.

Changes to V2.20

[Enhanced features]

• Added custom image Special Edition [HARUBENI]. For more details click here
• * It can be used when attaching the following compatible lenses.
  HD PENTAX-FA 77mmF1.8 Limited
  HD PENTAX-DA 20-40mmF2.8-4 ED Limited DC WR

[Others]
Improved stability for general performance.

• * When this update is done, the contents of version 2.10 and earlier will be also updated.
• * When this update is done, you will not be able to restore back to version 2.10 or earlier.

Changes to V2.10

[Enhanced features]

• Added custom image Special Edition [FUYUNO]. For more details click here
• * It can be used when attaching the following compatible lenses.
  HD PENTAX FA 31mmF1.8 Limited
  HD PENTAX-DA 35mmF2.8 Macro Limited

• Added focus limiter function
• * It can be used when attaching the following compatible lenses.
  HD PENTAX-D FA MACRO 100mmF2.8ED AW

[Others]
Improved stability for general performance.

• * When this update is done, the contents of version 2.00 and earlier will be also updated.
• * When this update is done, you will not be able to restore back to version 2.00 or earlier.

Changes to V2.00

[Enhanced features]

• Added limited function [Grad ND Shooting].
• * A special activation key (release key) obtained from a website or other source is required to activate the limited functions.
  Note: The Grad ND Shooting activation key issuance is a service that will be launched first in Japan. the launch of this service outside of Japan has not yet been determined.
• * Added custom image Special Edition [KYUSHU]. For more details click here
• * It can be used when attaching the following compatible lenses.
  HD PENTAX FA 43mmF1.9 Limited
  HD PENTAX-DA 70mmF2.4 Limited
  HD PENTAX-DA 40mmF2.8 Limited
  HD PENTAX-DA 21mmF3.2 AL Limited
  

[Others]
Improved stability for general performance.

• * When this update is done, the contents of version 1.70 and earlier will be also updated.
• * When this update is done, you will not be able to restore back to version 1.70 or earlier.

Changes to V1.70

[Enhanced features]

• Added [KATEN] to Custom Image.
  For more details click here
• * It can be used when attaching the following compatible lenses.
  HD PENTAX-D FA 21mmF2.4ED Limited DC WR
  HD PENTAX-DA 15mmF4ED AL Limited

Changes to V1.60

[Enhanced features]

• Added [SATOBI] to Custom Image.

[Others]

• Improved stability for general performance.

Changes to V1.55

• Optimized focus operation for new lens HD PENTAX-DA*16-50mmF2.8 ED PLM AW lens.
• Improved stability for general performance.

Changes to V1.54

• Optimized focus operation for new lenses HD PENTAX-FA 31 mm F1.8 Limited, HD PENTAX-FA 43 mm F1.9 Limited, HD PENTAX-FA 77 mm F1.8 Limited lenses and smc PENTAX-FA 31mm F1.8AL limited, smc PENTAX-FA 43mm F1.9AL limited and smc PENTAX-FA 77mm F1.8AL limited lenses.

Changes to V1.53

• Optimized performance when attaching new lens HD PENTAX-D FA*85mmF1.4ED SDM AW.
• Improved stability for general performance

Changes to V1.52

• Optimized performance when attaching new lens HD PENTAX-DFA70-210mmF4ED SDM WR.
• Improved stability for general performance

Changes to V1.51

• Optimized performance when attaching new lens HD PENTAX-DA*11-18mmF2.8ED DC AW.

Changes to V1.50

• Optimized performance when attaching new lens HD PENTAX-D FA*50mmF1.4 SDM AW.
• Improved stability for general performance.

Changes to V1.43

• Corrected – Unstable performance may rarely occur in Movie mode or Live View status of still picture in firmware version 1.42.

Changes to V1.42

• Corrected – Unstable performance may rarely occur in firmware version 1.41.

Changes to V1.41

[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.

Changes to V1.40

[Enhanced features]

• 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 closing down 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 expend an exposure time up to 20 minutes in Bulb mode.

*For more details click here

[Others]

• During slow shutter speeds the PENTAX K-1 features white dot noise reduction processing. ^(*1)
• Overall Improved stability for general performance.
  *1: When Slow Shutter Speed NR is OFF and JPEG image.

Changes to V1.30

[Enhanced features]

• The Electronic Shutter can be selected at the Menu to reduce camera shake from the mechanical shutter when shooting with Live View mode.
• Added and selectable [Square format (1:1)] size at the Crop mode.
• Addition to the current [3 frames bracketing (OFF, TYPE1, TYPE2)], the [2 frames bracketing (OFF, TYPE2)] is added and selectable for the [AA Filter Simulator bracketing]
• At the [BKT] setting, the bracketing range [±0 (=single frame)] can be selected.

*For more details click here

[Others]

• Improved stability for general performance.

Changes to V1.20

• 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.

Changes to V1.10

• Corresponded to IMAGE Transmitter 2 (Version2.2.0)
• Correspond to PENTAX Tethered Capture Plug-in for Adobe® Photoshop® Lightroom®(Simple Version)（Version1.1.0）
• Improved stability for general performance.

Caution

• 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	k1_v250.zip (zip type 9,359KB)
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	2024/07/25
Copy right	RICOH IMAGING COMPANY, LTD.

How to check version

1. [1] Turn ON the camera.
2. [2] Press MENU button to display MENU screen.
3. [3] Press the four-way controller right to display [Set-up 4] menu screen.
4. [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: k1_v250.zip 9,359 KB, 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. Insert 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 / 1.41/ 1.42/ 1.43/ 1.50/ 1.51/ 1.52/ 1.53/ 1.54/ 1.55/ 1.60 / 1.70 / 2.00 / 2.10 / 2.20 / 2.30 / 2.40 / 2.41 / 2.42 → 2.50　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].

[Caution]
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.

PENTAX Firmware Update Software for PENTAX K-1 Software License Agreement

The customer (hereinafter "the user") shall verify the following items below related to the use of the licensed software supplied to the user by RICOH IMAGING COMPANY, LTD. The download starts when you press "I agree. Start download." on this software license agreement.