diff --git a/TinyEXIF.cpp b/TinyEXIF.cpp
index 203276f..29d2942 100644
--- a/TinyEXIF.cpp
+++ b/TinyEXIF.cpp
@@ -934,6 +934,9 @@ int EXIFInfo::parseFromXMPSegment(const uint8_t* buf, unsigned len) {
 		document->QueryDoubleAttribute("drone-dji:GimbalRollDegree", &GeoLocation.RollDegree);
 		document->QueryDoubleAttribute("drone-dji:GimbalPitchDegree", &GeoLocation.PitchDegree);
 		document->QueryDoubleAttribute("drone-dji:GimbalYawDegree", &GeoLocation.YawDegree);
+		document->QueryDoubleAttribute("drone-dji:CalibratedFocalLength", &Calibration.FocalLength);
+		document->QueryDoubleAttribute("drone-dji:CalibratedOpticalCenterX", &Calibration.OpticalCenterX);
+		document->QueryDoubleAttribute("drone-dji:CalibratedOpticalCenterY", &Calibration.OpticalCenterY);
 	}
 
 	return PARSE_SUCCESS;
@@ -1025,6 +1028,11 @@ void EXIFInfo::clear() {
 	ProjectionType    = 0;
 	SubjectArea.clear();
 
+	// Calibration
+	Calibration.FocalLength = 0;
+	Calibration.OpticalCenterX = 0;
+	Calibration.OpticalCenterY = 0;
+
 	// LensInfo
 	LensInfo.FocalLengthMax = 0;
 	LensInfo.FocalLengthMin = 0;
diff --git a/TinyEXIF.h b/TinyEXIF.h
index 689fab0..8be452a 100644
--- a/TinyEXIF.h
+++ b/TinyEXIF.h
@@ -239,6 +239,11 @@ public:
 	                                    // 2: location of the main subject as coordinates (first value is the X coordinate and second is the Y coordinate)
 	                                    // 3: area of the main subject as a circle (first value is the center X coordinate, second is the center Y coordinate, and third is the diameter)
 	                                    // 4: area of the main subject as a rectangle (first value is the center X coordinate, second is the center Y coordinate, third is the width of the area, and fourth is the height of the area)
+	struct TINYEXIF_LIB Calibration_t { // Camera calibration information
+		double FocalLength;             // Focal length (pixels)
+		double OpticalCenterX;          // Principal point X (pixels)
+		double OpticalCenterY;          // Principal point Y (pixels)
+	} Calibration;
 	struct TINYEXIF_LIB LensInfo_t {    // Lens information
 		double FStopMin;                // Min aperture (f-stop)
 		double FStopMax;                // Max aperture (f-stop)
diff --git a/main.cpp b/main.cpp
index 9d6686f..8ef1538 100644
--- a/main.cpp
+++ b/main.cpp
@@ -100,6 +100,12 @@ int main(int argc, const char** argv)
 	std::cout << "MeteringMode " << imageEXIF.MeteringMode << "\n";
 	std::cout << "LightSource " << imageEXIF.LightSource << "\n";
 	std::cout << "ProjectionType " << imageEXIF.ProjectionType << "\n";
+	if (imageEXIF.Calibration.FocalLength != 0)
+		std::cout << "Calibration.FocalLength " << imageEXIF.Calibration.FocalLength << " pixels" << "\n";
+	if (imageEXIF.Calibration.OpticalCenterX != 0)
+		std::cout << "Calibration.OpticalCenterX " << imageEXIF.Calibration.OpticalCenterX << " pixels" << "\n";
+	if (imageEXIF.Calibration.OpticalCenterY != 0)
+		std::cout << "Calibration.OpticalCenterY " << imageEXIF.Calibration.OpticalCenterY << " pixels" << "\n";
 	std::cout << "LensInfo.FStopMin " << imageEXIF.LensInfo.FStopMin << "\n";
 	std::cout << "LensInfo.FStopMax " << imageEXIF.LensInfo.FStopMax << "\n";
 	std::cout << "LensInfo.FocalLengthMin " << imageEXIF.LensInfo.FocalLengthMin << " mm" << "\n";