diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index 43fed9aee..b01c2d8da 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -1844,3 +1844,17 @@ class ModelField(Field):
         if is_protected_type(value):
             return value
         return self.model_field.value_to_string(obj)
+
+
+class ExternalModelField(ModelField):
+    """
+    Create a modelfield of an extenral class by accepting the class name as an
+    argument.
+
+    This can help a lot while creating complex nested serializers
+    """
+    def __init__(self, model_name, model_field, **kwargs):
+        super(ExternalModelField, self).__init__(
+            model_field=model_name()._meta.get_field(model_field),
+            **kwargs
+        )
diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 59533be1e..df9b6a270 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -57,6 +57,7 @@ from rest_framework.fields import (  # NOQA # isort:skip
     HiddenField, IPAddressField, ImageField, IntegerField, JSONField, ListField,
     ModelField, MultipleChoiceField, NullBooleanField, ReadOnlyField, RegexField,
     SerializerMethodField, SlugField, TimeField, URLField, UUIDField,
+    ExternalModelField
 )
 from rest_framework.relations import (  # NOQA # isort:skip
     HyperlinkedIdentityField, HyperlinkedRelatedField, ManyRelatedField,