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This Function Expand Firmware has been designed to further enhance the performance and operability of your PENTAX K-1 Mark II, by adding the latest functions and new settings to the camera.

Update to the latest firmware have been resumed on January 11, 2024

Firmware Update

2024.01.11
PENTAX K-1 Mark II Firmware Version 2.41 is released.
2023.12.07
PENTAX K-1 Mark II Firmware Version 2.40 is released.
2023.06.15
PENTAX K-1 Mark II Firmware Version 2.30 is released.
2023.03.09
PENTAX K-1 Mark II Firmware Version 2.20 is released.
2022.12.01
PENTAX K-1 Mark II Firmware Version 2.10 is released.
2022.10.18
PENTAX K-1 Mark II Firmware Version 2.00 is released.
2022.06.23
PENTAX K-1 Mark II Firmware Version 1.40 is released.
2022.03.03
PENTAX K-1 Mark II Firmware Version 1.30 is released.

Function Expand Information (Version 2.41)Download

Type 2 and Type3 added to ASTROTRACER function

In addition to the existing ASTROTRACER mode (to be called Type 1 after the firmware update), users now have the Type 2 and Type 3 options when using the ASTROTRACER function. They can also activate the Interval Shooting function during ASTROTRACER shooting.

ASTROTRACER Type3 Enlarge
Normal shooting Enlarge

HD FA150-450mmF4.5-5.6ED DC AW
F5.6 , 30sec , 450mm, ISO6400, In-body RAW data development, not trimmed

ASTROTRACER Type1
Conventional ASTROTRACER function. Shift the camera’s image sensor in synchronization with the movements of stars (diurnal motion) to priortize the celestial bodies and stars to be captured as solid points.

ASTROTRACER Type2
Shift the camera’s image sensor half the speed of Type 1 in synchronization with the movements of stars to prioritize capturing the landscape and stars in a good balance.

ASTROTRACER Type3*
A simplified equatorial function that enables to track and capture celestial bodies without using GPS. Before actual shooting, a preliminary shot is captured automatically, enabling celestial body tracking from star movements. This feature eliminates GPS positioning wait time and able to shoot in locations subject to previously troublesome magnetic fields.　As the star movements are being captured on an image, ASTROTRACER’s auto-tracking function may fail when objects other than stars, such as clouds, enter the image field. In such situations, it is recommended that users select the Type 1 or Type 2 mode. When used with interval shooting, it is possible to perform multiple main exposures with a single preliminary shot.

＊Time exposure of the mode dial B (Bulb Exposure) is available (Normal bulb exposure is not possible).
＊Not compatible with fisheye lenses.
＊Only use the zoom lens at the wide or telephoto end. However, the following lenses can be used at any zoom position.
　HD PENTAX-DA 55-300mmF4.5-6.3ED PLM WR RE
　HD PENTAX-DA★11-18mmF2.8ED DC AW
　HD PENTAX-DA★16-50mmF2.8ED PLM AW

Current menu screen
New menu screen after firmware update





A lens added as compatible with the Focus Range Limiter function

The HD PENTAX-DA 35mmF2.8 Macro Limited lens has been added to the choice of lenses compatible with the camera-controlled Focus Range Limiter function, which allows users to choose the preferred autofocus range — short range, long range or OFF — from the camera’s on-screen menu. By limiting the tracking range with this function, users are assured of swift, delay-free autofocus operation.

Lens added：
　HD PENTAX-DA 35mmF2.8 Macro Limited


Another compatible lens：
　HD PENTAX-D FA MACRO 100mmF2.8ED AW


Others
　・Bug fix

Click here for firmware update

Update History

Function Expand Information (Version 2.30)

Function Expand Information (Version 2.20)

Function Expand Information (Version 2.10)

Function Expand Information (Version 2.00)

Function Expand Information (Version 1.40)

Function Expand Information (Version 1.30)

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