Find it here: Firmware v1.10 for the Pentax K-3
Changes to V1.10:
- Added Diffraction Correction on Lens Correction.
- Shortened processing time for Digital Filter and Color Fringe Correction.
- Improved stability for AWB (Auto white balance) performance.
- Changed to ISO Bracketing when using Exposure Bracketing on TAv mode
- Improved stability for general performance.