Changes to V1.03
Correspond to [PENTAX-08　WIDE ZOOM].
Improved stability for general performance.
*Contents of [Version 1.02] will be also updated.

Changes to V1.02
Correspond to [PENTAX-07　MOUNT SHIELD LENS].
Improved stability for general performance.

Changes to V1.01
Improved contrast AF performance.
Improved stability for general performance.