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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.

Function Expand Information (Version 1.40)Download

By upgrading PENTAX K-1 Mark II (ver.1.40), the following functions is added.

KATEN (summer sky): a new special-edition Custom Image mode

In a new approach to SLR photography, PENTAX will release a series of new special-edition Custom Images, designed to create subject- or scene-specific finishing touches in combination with specific PENTAX Limited-series lenses — lenses popular for their distinctive image rendition. As a lens is mounted, the camera automatically detects compatibility with the firmware. Once compatibility is confirmed, the user can then select special-edition Custom Images.

The new special-edition Custom Images cover the seasons: spring, summer, autumn and winter. The Custom Image mode specially designed for each season will be available in combination with specific Limited-series lenses. PENTAX will release four season-specific Custom Image modes over the year.

The first season-specific Custom Image mode is KATEN (summer sky). This mode is designed to emphasize the rich blues of summer skies and depict the fine details of dazzling white clouds.

Compatible lenses:
HD PENTAX-D FA 21mmF2.4ED Limited DC WR
HD PENTAX-DA 15mmF4ED AL Limited

KATEN Full size HD D FA 21mmF2.4ED Limited DC WR Aperture: F4.5, Shutter speed: 1/1000sec, Focal length: 21mm, White Balance: Auto, Sensitivity: ISO 100, Shooting mode: Aperture Priority
Bright Full size HD D FA 21mmF2.4ED Limited DC WR Aperture: F4.5, Shutter speed: 1/1000sec, Focal length: 21mm, White Balance: Auto, Sensitivity: ISO 100, Shooting mode: Aperture Priority

■ Menu screen
When a lens is mounted, the camera automatically checks for compatibility, then displays the KATEN-specific menu screen.

Standard menu screen
KATEN-specific menu screen

Update History

Function Expand Information (Version 1.30)

By upgrading PENTAX K-1 Mark II (ver.1.30), the following functions is added.

New Custom Image “SATOBI”

The Custom Image “SATOBI” has been newly added to the camera.
This Custom Image provides a finishing tone similar to color photos from the 60 and 70s with colors such as cyan blue, dull yellow, and faded red. The unique red expression is suitable for such as portrait photography.
Click here for more information Distinctive color expression

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