Changes to V1.31
Optimized focus operation for new lens HD PENTAX-DA*16-50mmF2.8 ED PLM AW lens.
*Contents of [Version 1.30] and earlier version will be also updated.

Changes to V1.30
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.
Improved stability for general performance.
*Contents of [Version 1.11] and earlier version will be also updated.

Changes to V1.11
Improved stability for general performance.

Changes to V1.10
Optimized performance when attaching new lens HD PENTAX-D FA*50mmF1.4 SDM AW.
Improved stability for general performance.