Index: trunk/MagicSoft/Mars/mcalib/MCalibrationChargeBlindPix.cc
===================================================================
--- trunk/MagicSoft/Mars/mcalib/MCalibrationChargeBlindPix.cc	(revision 4229)
+++ trunk/MagicSoft/Mars/mcalib/MCalibrationChargeBlindPix.cc	(revision 4230)
@@ -558,7 +558,12 @@
 //
 // Calculate fFluxInsidePlexiglass with the formula:
-// - fFluxInsidePlexiglass    = fLambda * gkBlindPixelArea / GetBlindPixelQE() * 10**gkBlindPixelAtt
+// - fFluxInsidePlexiglass    = fLambda 
+//                            / GetBlindPixelCollectionEff()
+//                            / GetBlindPixelQE() 
+//                            * 10**gkBlindPixelAtt[color] 
+//                            / gkBlindPixelArea 
 // - fFluxInsidePlexiglassVar = sqrt( fLambdaVar / ( fLambda * fLambda ) 
-//                             + ( gkBlindPixelQEErr * gkBlindPixelQEErr / gkBlindPixelQE / gkBlindPixelQE )
+//                             + GetBlindPixelQERelVar() 
+//                             + GetBlindPixelCollectionEffRelVar()
 //                               ) * fFluxInsidePlexiglass * * fFluxInsidePlexiglass
 //
Index: trunk/MagicSoft/Mars/mcalib/MCalibrationChargeBlindPix.h
===================================================================
--- trunk/MagicSoft/Mars/mcalib/MCalibrationChargeBlindPix.h	(revision 4229)
+++ trunk/MagicSoft/Mars/mcalib/MCalibrationChargeBlindPix.h	(revision 4230)
@@ -35,4 +35,6 @@
   static const Float_t gkBlindPixelQECoatedUVErr   ;   //! Uncertainty QECoated at 370 nm 
   static const Float_t gkBlindPixelQECoatedCT1Err  ;   //! Uncertainty QECoated at 370 nmu
+  static const Float_t gkBlindPixelCollectionEff;      //! Collection Efficiency
+  static const Float_t gkBlindPixelCollectionEffErr;   //! Uncertainty Collection Efficiency
 
   Float_t fLambda;                  // Mean Poisson fit
@@ -61,8 +63,9 @@
   const Float_t GetBlindPixelQECT1  () const; 
 
-  const Float_t GetBlindPixelQEGreenRelVar() const; 
-  const Float_t GetBlindPixelQEBlueRelVar () const; 
-  const Float_t GetBlindPixelQEUVRelVar   () const; 
-  const Float_t GetBlindPixelQECT1RelVar  () const; 
+  const Float_t GetBlindPixelQEGreenRelVar     () const; 
+  const Float_t GetBlindPixelQEBlueRelVar      () const; 
+  const Float_t GetBlindPixelQEUVRelVar        () const; 
+  const Float_t GetBlindPixelQECT1RelVar       () const;
+  const Float_t GetBlindPixelCollectionEffRelVar  () const;   
 
  public: