Index: trunk/MagicSoft/Mars/manalysis/MImgCleanStd.cc
===================================================================
--- trunk/MagicSoft/Mars/manalysis/MImgCleanStd.cc	(revision 1630)
+++ trunk/MagicSoft/Mars/manalysis/MImgCleanStd.cc	(revision 1640)
@@ -113,5 +113,5 @@
 
         // COBB: '<=' to skip entry=noise=0
-        if (entry <= fCleanLvl1 * noise)
+        if (entry <= fCleanLvl1 * noise / sqrt(fCam->GetPixRatio(i)))
             pix.SetPixelUnused();
 
@@ -260,5 +260,5 @@
         const Float_t noise = pix.GetErrorPhot();
 
-        if (entry <= fCleanLvl2 * noise)
+        if (entry <= fCleanLvl2 * noise / sqrt(fCam->GetPixRatio(i)))
             continue;