Operation Manual

 It is possible to return to the default setting (the range of the AF drive is set to the full range) by clicking on

the [Reset] button.

CAUTION !!

 The setting of SIGMA Optimization Pro is prioritized and the focus limiter switch which is incorporated in the

lens is disabled when the Customization mode is effective.

 Do not remove the lens or press the detachment button while updating firmware.

 Do not turn off the computer while updating firmware.

 Do not customize or change the current setting of the lens while updating firmware.

 In case updating firmware finishes unsuccessfully, a message [Rewriting the setting of the lens is

incomplete.] appears in the dialog box. Follow the instructions [RESET ALL CUSTOMIZATION] and proceed

resetting the customization.