diff --git a/include/ui/CameraParameters.h b/include/ui/CameraParameters.h
index cae0676..b9c2bbe 100644
--- a/include/ui/CameraParameters.h
+++ b/include/ui/CameraParameters.h
@@ -176,6 +176,16 @@
     // Supported focus modes.
     // Example value: "auto,macro,fixed". Read only.
     static const char KEY_SUPPORTED_FOCUS_MODES[];
+    // Focal length in millimeter.
+    // Example value: "4.31". Read only.
+    static const char KEY_FOCAL_LENGTH[];
+    // Horizontal angle of view in degrees.
+    // Example value: "54.8". Read only.
+    static const char KEY_HORIZONTAL_VIEW_ANGLE[];
+    // Vertical angle of view in degrees.
+    // Example value: "42.5". Read only.
+    static const char KEY_VERTICAL_VIEW_ANGLE[];
+
 
         // Values for white balance settings.
     static const char WHITE_BALANCE_AUTO[];
diff --git a/libs/ui/CameraParameters.cpp b/libs/ui/CameraParameters.cpp
index a94f6b9..495e164 100644
--- a/libs/ui/CameraParameters.cpp
+++ b/libs/ui/CameraParameters.cpp
@@ -56,6 +56,9 @@
 const char CameraParameters::KEY_SUPPORTED_FLASH_MODES[] = "flash-mode-values";
 const char CameraParameters::KEY_FOCUS_MODE[] = "focus-mode";
 const char CameraParameters::KEY_SUPPORTED_FOCUS_MODES[] = "focus-mode-values";
+const char CameraParameters::KEY_FOCAL_LENGTH[] = "focal-length";
+const char CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE[] = "horizontal-view-angle";
+const char CameraParameters::KEY_VERTICAL_VIEW_ANGLE[] = "vertical-view-angle";
 
 // Values for white balance settings.
 const char CameraParameters::WHITE_BALANCE_AUTO[] = "auto";