Index: /trunk/Mars/ceres.rc
===================================================================
--- /trunk/Mars/ceres.rc	(revision 17911)
+++ /trunk/Mars/ceres.rc	(revision 17912)
@@ -105,10 +105,9 @@
 
 # new Value from 7.12.2012:
-# 0.95 of the reflected light was inside a circle with a radius of 2.25mm. This corresponds to a SigmaPSF of 1.3 mm
-#Reflector.SetSigmaPSF: 1.3
-
-# new Value from 29.05.2013:
-# Set SigmaPSF to pixelsize
-Reflector.SetSigmaPSF: 10.0
+# 0.95 of the reflected light was inside a circle with a radius of 2.25mm. 
+# This corresponds to a SigmaPSF of 1.3 mm
+# This value is based on a direct measurement of the mirrors. There
+# is no way it can be wrong. Only the ray-tracing algorithm could be wrong.
+Reflector.SetSigmaPSF: 1.3
 
 # --- DWARF ---