diff --git a/include/osg/DisplaySettings b/include/osg/DisplaySettings
index 21af34511..dd595e871 100644
--- a/include/osg/DisplaySettings
+++ b/include/osg/DisplaySettings
@@ -127,8 +127,8 @@ class SG_EXPORT DisplaySettings : public osg::Referenced
         bool getStencilBuffer() const { return _minimumNumberStencilBits!=0; }
 
 
-        void setMaxNumberOfGraphicsContexts(int num) { _maxNumOfGraphicsContexts = num; }
-        int getMaxNumberOfGraphicsContexts() const { return _maxNumOfGraphicsContexts; }
+        void setMaxNumberOfGraphicsContexts(unsigned int num) { _maxNumOfGraphicsContexts = num; }
+        unsigned int getMaxNumberOfGraphicsContexts() const { return _maxNumOfGraphicsContexts; }
 
 
     protected:
@@ -152,7 +152,7 @@ class SG_EXPORT DisplaySettings : public osg::Referenced
         unsigned int                    _minimumNumberAlphaBits;
         unsigned int                    _minimumNumberStencilBits;
 
-        int                             _maxNumOfGraphicsContexts;
+        unsigned int                    _maxNumOfGraphicsContexts;
 
 };
 
diff --git a/include/osgUtil/SceneView b/include/osgUtil/SceneView
index 20cb18a57..a38ca3419 100644
--- a/include/osgUtil/SceneView
+++ b/include/osgUtil/SceneView
@@ -190,6 +190,25 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
         /** Get the ComputeNearFarMode.*/
         CullVisitor::ComputeNearFarMode getComputeNearFarMode() const { return _computeNearFar;} 
 
+        /** FusionDistanceMode is used only when working in stereo.*/
+        enum FusionDistanceMode
+        {
+            /** Use fusion distance from the attached camera if one exist.*/
+            USE_CAMERA_FUSION_DISTANCE,
+            /** Use fusion distance from the value set on the SceneView.*/
+            USE_FUSION_DISTANCE_VALUE,
+            /** Compute the fusion distance by multiplying the screen distance by the  fusion distance value.*/
+            PROPORTIONAL_TO_SCREEN_DISTANCE
+        };
+
+        /** Set the FusionDistanceMode and Value. Note, is used only when working in stereo.*/
+        void setFusionDistance(FusionDistanceMode mode,float value=1.0f);
+
+        /** Get the FusionDistanceMode.*/
+        FusionDistanceMode getFusionDistanceMode() const { return _fusionDistanceMode; }
+
+        /** Get the FusionDistanceValue. Note, only used for USE_FUSION_DISTANCE_VALUE & PROPORTIONAL_TO_SCREEN_DISTANCE modes.*/
+        float getFusionDistanceValue() const { return _fusionDistanceValue; }
 
 
         /** set whether the draw method should call renderer->prioritizeTexture.*/
@@ -291,20 +310,23 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
         osg::ref_ptr<osgUtil::RenderGraph>          _rendergraphRight;
         osg::ref_ptr<osgUtil::RenderStage>          _renderStageRight;
 
-        osg::ref_ptr<osg::FrameStamp> _frameStamp;
+        osg::ref_ptr<osg::FrameStamp>               _frameStamp;
 
-        osg::Vec4 _backgroundColor;
+        osg::Vec4                                   _backgroundColor;
 
-        CullVisitor::ComputeNearFarMode  _computeNearFar;
-        osg::CullStack::CullingMode      _cullingMode;
-        float                            _LODBias;
-        float                            _smallFeatureCullingPixelSize;
+        CullVisitor::ComputeNearFarMode             _computeNearFar;
+        osg::CullStack::CullingMode                 _cullingMode;
+        float                                       _LODBias;
+        float                                       _smallFeatureCullingPixelSize;
 
-        osg::ref_ptr<osg::Viewport> _viewport;
+        FusionDistanceMode                          _fusionDistanceMode;
+        float                                       _fusionDistanceValue;
 
-        LightingMode _lightingMode;
+        osg::ref_ptr<osg::Viewport>                 _viewport;
+
+        LightingMode                                _lightingMode;
         
-        bool _prioritizeTextures;
+        bool                                        _prioritizeTextures;
         
 };
 
diff --git a/src/osgUtil/SceneView.cpp b/src/osgUtil/SceneView.cpp
index 93e3fc217..b8cd246f3 100644
--- a/src/osgUtil/SceneView.cpp
+++ b/src/osgUtil/SceneView.cpp
@@ -27,6 +27,9 @@ SceneView::SceneView(DisplaySettings* ds)
     _LODBias = 1.0f;
     _smallFeatureCullingPixelSize = 3.0f;
 
+    _fusionDistanceMode = USE_CAMERA_FUSION_DISTANCE;
+    _fusionDistanceValue = 1.0f;
+
     _lightingMode=HEADLIGHT;
     
     _prioritizeTextures = false;
@@ -217,12 +220,22 @@ void SceneView::cull()
     {
 
         float fusionDistance = _displaySettings->getScreenDistance();
-
-        if (_camera.valid())
+        switch(_fusionDistanceMode)
         {
-            fusionDistance = _camera->getFusionDistance();
+            case(USE_CAMERA_FUSION_DISTANCE):
+                if (_camera.valid())
+                {
+                    fusionDistance = _camera->getFusionDistance();
+                }
+                break;
+            case(USE_FUSION_DISTANCE_VALUE):
+                fusionDistance = _fusionDistanceValue;
+                break;
+            case(PROPORTIONAL_TO_SCREEN_DISTANCE):
+                fusionDistance *= _fusionDistanceValue;
+                break;
         }
-        
+
         float iod = _displaySettings->getEyeSeparation();
         float sd = _displaySettings->getScreenDistance();
         float es = 0.5f*iod*(fusionDistance/sd);