add_action( 'slt_cf_check_scope', 'my_scope_check', 10, 7 );
function my_scope_check( $scope_match, $request_type, $scope, $object_id, $scope_key, $scope_value, $field ) {

    $scope_match = false;

    if ( $scope_key == 'pageFeatureImg' && is_page_template('pageFeatureImg.php') ) {
        $scope_match = true;
    } elseif ( $scope_key == 'pageHalfImage' && is_page_template('pageHalfImage.php') ) {
        $scope_match = true;
    } elseif ( $scope_key == 'pageDefault' && !is_page_template() ) {
        $scope_match = true;
    } else {
        $scope_match = false;
    }

    return $scope_match;

}