reverted:
--- b/config/install/focal_point.settings.yml
+++ a/config/install/focal_point.settings.yml
@@ -1 +1,2 @@
 crop_type: 'focal_point'
+default_value: '50,50'
diff -u b/config/schema/focal_point.schema.yml b/config/schema/focal_point.schema.yml
--- b/config/schema/focal_point.schema.yml
+++ b/config/schema/focal_point.schema.yml
@@ -5,6 +5,9 @@
     crop_type:
       type: string
       label: 'Crop type to be used with Focal point'
+    default_value:
+      type: string
+      label: 'The default value to use for focal point when none is specified'
 
 image.effect.focal_point_scale_and_crop:
   type: image_size
@@ -19,0 +23,17 @@
+
+field.widget.settings.image_focal_point:
+  type: mapping
+  label: 'Focal Point widget settings'
+  mapping:
+    progress_indicator:
+      type: string
+      label: 'Progress indicator'
+    preview_image_style:
+      type: string
+      label: 'Preview image style'
+    preview_link:
+      type: boolean
+      label: 'Preview link'
+    offsets:
+      type: string
+      label: 'Focal point offsets'
diff -u b/src/Plugin/Field/FieldWidget/FocalPointImageWidget.php b/src/Plugin/Field/FieldWidget/FocalPointImageWidget.php
--- b/src/Plugin/Field/FieldWidget/FocalPointImageWidget.php
+++ b/src/Plugin/Field/FieldWidget/FocalPointImageWidget.php
@@ -28,10 +28,12 @@
    * {@inheritdoc}
    */
   public static function defaultSettings() {
-    return array(
-        'preview_link' => TRUE,
-        'offsets' => '50,50',
-      ) + parent::defaultSettings();
+    return [
+      'progress_indicator' => 'throbber',
+      'preview_image_style' => 'thumbnail',
+      'preview_link' => TRUE,
+      'offsets' => '50,50',
+    ] + parent::defaultSettings();
   }
 
   /**
@@ -41,12 +43,12 @@
     $form = parent::settingsForm($form, $form_state);
 
     // We need a preview image for this widget.
-    $form['preview_image_style']['#required'] = DRUPAL_REQUIRED;
+    $form['preview_image_style']['#required'] = TRUE;
     unset($form['preview_image_style']['#empty_option']);
 
     $form['preview_link'] = [
       '#type' => 'checkbox',
-      '#title' => $this->t('Show preview link'),
+      '#title' => $this->t('Preview link'),
       '#default_value' => $this->getSetting('preview_link'),
       '#weight' => 30,
     ];
@@ -59,7 +61,7 @@
       '#size' => 7,
       '#maxlength' => 7,
       '#element_validate' => [[$this, 'validateFocalPointWidget']],
-      '#required' => DRUPAL_REQUIRED,
+      '#required' => TRUE,
       '#weight' => 35,
     ];
 
@@ -86,7 +88,7 @@
    */
   public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
     $element = parent::formElement($items, $delta, $element, $form, $form_state);
-    $element['#process'][] = [get_called_class(), 'process'];
+    $element['#process'][] = [static::class, 'process'];
     $element['#focal_point'] = [
       'preview_link' => $this->getSetting('preview_link'),
       'offsets' => $this->getSetting('offsets'),
@@ -102,9 +104,9 @@
    * This method is assigned as a #process callback in formElement() method.
    *
    * @todo Implement https://www.drupal.org/node/2657592
-   *   Convert focal point selector tool into a standalone form element
-   * @todo Make Focal Point element accessible
-   *   by using visually-hidden, focusable, and cleanup focal_point.js.
+   *   Convert focal point selector tool into a standalone form element.
+   * @todo Implement https://www.drupal.org/node/2848511
+   *   Focal Point offsets not accessible by keyboard.
    */
   public static function process($element, FormStateInterface $form_state, $form) {
     $element = parent::process($element, $form_state, $form);
@@ -181,7 +183,7 @@
       '#title' => new TranslatableMarkup('Focal point'),
       '#description' => new TranslatableMarkup('Specify the focus of this image in the form "leftoffset,topoffset" where offsets are in percents. Ex: 25,75'),
       '#default_value' => $default_focal_point_value,
-      '#element_validate' => [[get_called_class(),'validateFocalPoint']],
+      '#element_validate' => [[static::class, 'validateFocalPoint']],
       '#attributes' => array(
         'class' => array('focal-point', $element_selector),
         'data-selector' => $element_selector,
@@ -229,8 +231,6 @@
 
   /**
    * Validation Callback; Focal Point process field.
-   *
-   * @todo Merge validateFocalPoint() & validateFocalPointWidget().
    */
   public static function validateFocalPoint($element, FormStateInterface $form_state) {
     if (empty($element['#value']) || (FALSE === \Drupal::service('focal_point.manager')->validateFocalPoint($element['#value']))) {
@@ -241,14 +241,9 @@
 
   /**
    * Validation Callback; Focal Point widget setting.
-   *
-   * @todo Merge validateFocalPoint() & validateFocalPointWidget().
    */
   public function validateFocalPointWidget(array &$element, FormStateInterface $form_state) {
-    if (empty($element['#value']) || (FALSE === \Drupal::service('focal_point.manager')->validateFocalPoint($element['#value']))) {
-      $replacements = ['@title' => strtolower($element['#title'])];
-      $form_state->setError($element, $this->t('The @title field should be in the form "leftoffset,topoffset" where offsets are in percentages. Ex: 25,75.', $replacements));
-    }
+    static::validateFocalPoint($element, $form_state);
   }
 
   /**