diff --git a/uvoscam.cpp b/uvoscam.cpp
index 007a338..7a69ffe 100644
--- a/uvoscam.cpp
+++ b/uvoscam.cpp
@@ -175,8 +175,8 @@ bool Camera::chooseFormat()
 		switch(formats[i])
 		{
 			case ARV_PIXEL_FORMAT_MONO_8:
-			case ARV_PIXEL_FORMAT_MONO_10:
-			case ARV_PIXEL_FORMAT_MONO_12:
+			//case ARV_PIXEL_FORMAT_MONO_10:
+			//case ARV_PIXEL_FORMAT_MONO_12:
 			case ARV_PIXEL_FORMAT_RGB_8_PLANAR:
 			case ARV_PIXEL_FORMAT_BAYER_BG_8:
 				format = formats[i];
diff --git a/uvoscam.h b/uvoscam.h
index 00c05b3..d95d179 100644
--- a/uvoscam.h
+++ b/uvoscam.h
@@ -37,12 +37,23 @@ class Camera
 {
 public:
 	
-	struct Description
+	class Description
 	{
+	public:
 		std::string vendor;
 		std::string serial;
 		std::string id;
 		std::string model;
+		
+		size_t getHash() const
+		{
+			return std::hash<std::string>{}(vendor + serial + id + model);
+		}
+		
+		bool operator==(const Description& in) const
+		{
+			return in.getHash() == getHash();
+		}
 	};
 	
 	static constexpr size_t BUFFER_DEPTH = 8;