diff --git a/apps/documents/__init__.py b/apps/documents/__init__.py
index 9e9432cc22..0965250776 100644
--- a/apps/documents/__init__.py
+++ b/apps/documents/__init__.py
@@ -24,6 +24,8 @@ from documents.literals import PERMISSION_DOCUMENT_TYPE_EDIT, \
     PERMISSION_DOCUMENT_TYPE_DELETE, PERMISSION_DOCUMENT_TYPE_CREATE
 from documents.literals import HISTORY_DOCUMENT_CREATED, \
     HISTORY_DOCUMENT_EDITED, HISTORY_DOCUMENT_DELETED
+from documents.conf.settings import ZOOM_MAX_LEVEL
+from documents.conf.settings import ZOOM_MIN_LEVEL
 
 # Permission setup
 set_namespace_title('documents', _(u'Documents'))
@@ -54,6 +56,14 @@ def is_first_page(context):
 
 def is_last_page(context):
     return context['object'].page_number >= context['object'].document.documentpage_set.count()
+    
+
+def is_min_zoom(context):
+    return context['zoom'] <= ZOOM_MIN_LEVEL
+
+
+def is_max_zoom(context):
+    return context['zoom'] >= ZOOM_MAX_LEVEL
 
 document_list = {'text': _(u'all documents'), 'view': 'document_list', 'famfam': 'page', 'permissions': [PERMISSION_DOCUMENT_VIEW]}
 document_list_recent = {'text': _(u'recent documents'), 'view': 'document_list_recent', 'famfam': 'page', 'permissions': [PERMISSION_DOCUMENT_VIEW]}
@@ -88,8 +98,8 @@ document_page_navigation_next = {'text': _(u'next page'), 'class': 'no-parent-hi
 document_page_navigation_previous = {'text': _(u'previous page'), 'class': 'no-parent-history', 'view': 'document_page_navigation_previous', 'args': 'object.id', 'famfam': 'resultset_previous', 'permissions': [PERMISSION_DOCUMENT_VIEW], 'conditional_disable': is_first_page}
 document_page_navigation_first = {'text': _(u'first page'), 'class': 'no-parent-history', 'view': 'document_page_navigation_first', 'args': 'object.id', 'famfam': 'resultset_first', 'permissions': [PERMISSION_DOCUMENT_VIEW], 'conditional_disable': is_first_page}
 document_page_navigation_last = {'text': _(u'last page'), 'class': 'no-parent-history', 'view': 'document_page_navigation_last', 'args': 'object.id', 'famfam': 'resultset_last', 'permissions': [PERMISSION_DOCUMENT_VIEW], 'conditional_disable': is_last_page}
-document_page_zoom_in = {'text': _(u'zoom in'), 'class': 'no-parent-history', 'view': 'document_page_zoom_in', 'args': 'object.id', 'famfam': 'zoom_in', 'permissions': [PERMISSION_DOCUMENT_VIEW]}
-document_page_zoom_out = {'text': _(u'zoom out'), 'class': 'no-parent-history', 'view': 'document_page_zoom_out', 'args': 'object.id', 'famfam': 'zoom_out', 'permissions': [PERMISSION_DOCUMENT_VIEW]}
+document_page_zoom_in = {'text': _(u'zoom in'), 'class': 'no-parent-history', 'view': 'document_page_zoom_in', 'args': 'object.id', 'famfam': 'zoom_in', 'permissions': [PERMISSION_DOCUMENT_VIEW], 'conditional_disable': is_max_zoom}
+document_page_zoom_out = {'text': _(u'zoom out'), 'class': 'no-parent-history', 'view': 'document_page_zoom_out', 'args': 'object.id', 'famfam': 'zoom_out', 'permissions': [PERMISSION_DOCUMENT_VIEW], 'conditional_disable': is_min_zoom}
 document_page_rotate_right = {'text': _(u'rotate right'), 'class': 'no-parent-history', 'view': 'document_page_rotate_right', 'args': 'object.id', 'famfam': 'arrow_turn_right', 'permissions': [PERMISSION_DOCUMENT_VIEW]}
 document_page_rotate_left = {'text': _(u'rotate left'), 'class': 'no-parent-history', 'view': 'document_page_rotate_left', 'args': 'object.id', 'famfam': 'arrow_turn_left', 'permissions': [PERMISSION_DOCUMENT_VIEW]}