Firmware Update

The implementation of the objective in the housing must be done gently to avoid damaging it.
Once set, you no longer want to remove it.
Comes with a visor.
To use all the functions of your lens, check the version of your firmware.
To do this go to the Pentax website and follow the instructions.
Once the firmware update, you can use your auto focus.
And now you are ready to fully use your new goal !!!!