This setting disables the Focus Set Button.
Click [Custom Switch Setting] or [Focus Set Button Setting] shown at the top-left of the home screen.
* [Custom Switch Setting] or [Focus Set Button Setting] will be displayed depending on the lens.
* Download the TAMRON Lens Utility >>
On the [Custom Switch Setting] or [Focus Set Button Setting] screen, click [Select].
From the selection screen, click [Select] for [Clear Settings].
* Depending on the lens, functions apearing on the screen will differ. Check the list to find capability of your lens.
TAMRON Lens Utility Compatible Lens List >>
Click [Save] to complete the setting process.
* You can return to the previous screen by clicking the [Return] button.