A new Firmware (Version 1.41) for the PENTAX K-3 Mark III has just been released.
New Enhanced Feature
- Added Astrotracer Type 3
Improved Contents
- Improved AF accuracy and stability during viewfinder shooting
- Improved stability for general performance
Link to get more details on Astrotracer Type 3 and to download the update:
https://www.ricoh-imaging.co.jp/english/support/digital/k-3-3.html
NOTE: When this update is done, the contents of version 1.31 and earlier will be also updated. Once the update is completed, you will not be able to restore back to version 1.31 or earlier.