diff --git a/Models/Instruments/ND/ND_L.xml b/Models/Instruments/ND/ND_L.xml
index b9983435..9acc808c 100644
--- a/Models/Instruments/ND/ND_L.xml
+++ b/Models/Instruments/ND/ND_L.xml
@@ -26,5 +26,17 @@
 			</binding>
         </action>
     </animation>
+	
+	<!-- ND left dimmer -->
+	<animation>
+		<type>material</type>
+		<object-name>ND.screen</object-name>
+		<emission>
+			<red>1.0</red>
+			<green>1.0</green>
+			<blue>1.0</blue>
+			<factor-prop>/controls/lighting/ndl-norm</factor-prop>
+		</emission>
+	</animation>
    
 </PropertyList>
diff --git a/Models/Instruments/ND/ND_R.xml b/Models/Instruments/ND/ND_R.xml
index f831cbda..96024367 100644
--- a/Models/Instruments/ND/ND_R.xml
+++ b/Models/Instruments/ND/ND_R.xml
@@ -25,6 +25,19 @@
 				<script>canvas_nd.showNd('right');</script>
 			</binding>
         </action>
-    </animation>    
+    </animation> 
+
+	<!-- ND right dimmer -->
+	<animation>
+		<type>material</type>
+		<object-name>ND_R.screen</object-name>
+		<emission>
+			<red>1.0</red>
+			<green>1.0</green>
+			<blue>1.0</blue>
+			<factor-prop>/controls/lighting/ndr-norm</factor-prop>
+		</emission>
+	</animation>
+	
    
 </PropertyList>
diff --git a/Nasal/libraries.nas b/Nasal/libraries.nas
index 2820c78f..ff14a628 100644
--- a/Nasal/libraries.nas
+++ b/Nasal/libraries.nas
@@ -17,6 +17,11 @@ print("If you are reading this, you are awesome!");
 print("-----------------------------------------------------------------------");
 print(" ");
 
+# Dimmers
+setprop("/controls/lighting/ndl-norm", 0);
+setprop("/controls/lighting/ndr-norm", 0);
+setprop("/controls/lighting/upper-norm", 0);
+
 ##########
 # Lights #
 ##########