diff --git a/minimal_pylon.cpp b/minimal_pylon.cpp
index a58132f..5d1dc54 100644
--- a/minimal_pylon.cpp
+++ b/minimal_pylon.cpp
@@ -34,6 +34,7 @@ typedef high_resolution_clock Time;
 typedef milliseconds ms;
 typedef duration<float> fsec;
 
+
 uint32_t sensorHeight(CInstantCamera &camera) {
   CIntegerParameter maxheight( camera.GetNodeMap(), "SensorHeight" );
   return maxheight.GetValue();
@@ -52,7 +53,13 @@ void exposureTime(CInstantCamera &camera, double exposure_time) {
 }
 
 
-//void exposureTime(double exposure_time);
+void detectorGain(CInstantCamera &camera, double gain) {
+  GenApi::INodeMap& nodemap = camera.GetNodeMap();
+  CEnumParameter(nodemap, "GainAuto").SetValue("Off");
+  CEnumParameter(nodemap, "GainSelector").SetValue("All");
+  CFloatParameter(nodemap, "Gain").SetValue(gain);
+}
+
 
 int main( int argc, char* argv[] ) {
   uint32_t frameCount = 100;
@@ -68,6 +75,7 @@ int main( int argc, char* argv[] ) {
   int yOffset = 0;
   int camIndex = 0;
   double exposure_time = 10000;
+  double gains[2] = {5.0, 5.0};
   string errorMessage = "";
   String_t filename = "_TestVideo.mp4";
   
@@ -82,6 +90,8 @@ int main( int argc, char* argv[] ) {
 	   << "\t --xoffs|-x \t image x offset in pixel, defaults to 0\n"
 	   << "\t --yoffs|-y \t image y-offset in pixel, defaults to 0\n"	
 	   << "\t --exposure|-e \t exposure time in us, defaults to 10000\n"
+	   << "\t --gain1|-g1 \t gain for camera 1 in db, defaults to 5.0\n"
+	   << "\t --gain2|-g2 \t gain for camera 2 in db, defaults to 5.0\n"
 	   << "\t --cameras|-c \t the desired number of cameras to grab at the same time, defaults to 1\n"
 	   << "\t --framecount|-n \t the number of frames, defaults to 100\n"
 	   << "\t --quality|-q \t the qualtiy of the compression (0 < q <= 100), defaults to 50\n"
@@ -113,6 +123,20 @@ int main( int argc, char* argv[] ) {
     if ((arg == "--exposure" || arg == "-e") && i + 1 < argc) {
       exposure_time = std::atoi(argv[++i]);
     }
+    if ((arg == "--gain1" || arg == "-g1") && i + 1 < argc) {
+      try {
+	gains[0] = std::stod(argv[++i]);
+      } catch (...) {
+	gains[0] = 5.0;
+      }
+    }
+    if ((arg == "--gain2" || arg == "-g2") && i + 1 < argc) {
+      try {
+	gains[1] = std::stod(argv[++i]);
+      } catch (...) {
+	gains[1] = 5.0;
+      }
+    }
     if ((arg == "--index" || arg == "-i") && i + 1 < argc) {
       camIndex = std::atoi(argv[++i]);
     }
@@ -170,14 +194,14 @@ int main( int argc, char* argv[] ) {
       CEnumParameter pixelFormat( nodemap, "PixelFormat" );
       CEnumParameter trigmode( nodemap, "TriggerMode");
       CEnumParameter trigsource( nodemap, "TriggerSource");
-      exposureTime(cameras[i], exposure_time);
+      exposureTime( cameras[i], exposure_time );
+      detectorGain( cameras[i], gains[i] ); 
       trigmode.TrySetValue( "On" );
       trigsource.TrySetValue( "Software" );
       width.TrySetValue( cWidth, IntegerValueCorrection_Nearest );
       height.TrySetValue( cHeight, IntegerValueCorrection_Nearest );
       offsetX.TrySetValue( xOffset, IntegerValueCorrection_Nearest );
       offsetY.TrySetValue( yOffset, IntegerValueCorrection_Nearest );
-      
     }
    
     CIntegerParameter width( cameras[0].GetNodeMap(), "Width" );