diff --git a/MeshViewer/Camera.cpp b/MeshViewer/Camera.cpp
index 7f71891..b22f1af 100644
--- a/MeshViewer/Camera.cpp
+++ b/MeshViewer/Camera.cpp
@@ -7,6 +7,11 @@ Camera::Camera(int viewWidth, int viewHeight) {
 	ortho = 0;
 	viewportWidth = viewWidth;
 	viewportHeight = viewHeight;
+	zoom = 1;
+	horizaspectlock = 16.0 / 9.0
+	if ((viewportHeight / viewportWidth) < horizaspectlock) {
+		zoom = zoom / (viewportHeight / viewportWidth) / horizaspectlock;
+	}
 	perspectiveFOV = 45.0;
 }
 
@@ -17,15 +22,15 @@ void Camera::render() {
 	if (ortho) {
 		Vector3d temp = eye - lookAt;
 		double d = temp.length();
-		double w2 = d * tan(perspectiveFOV / 360 * 3.141592);
+		double w2 = d * tan(perspectiveFOV / 360 * 3.141592) / zoom;
 		double h2 = (double)viewportHeight / viewportWidth * w2;
 		glOrtho(-w2, w2, -h2, h2, 1, 100000);
 	}
 	else 
-		gluPerspective(perspectiveFOV, (double)viewportWidth / viewportHeight, 1, 100000);
+		gluPerspective(atan(tan(perspectiveFOV * 3.141592 / 360) / zoom) * 360 / 3.141592, (double)viewportWidth / viewportHeight, 1, 100000);
 	
 	glMatrixMode(GL_MODELVIEW);
 	glLoadIdentity();
 	gluLookAt(eye.x, eye.y, eye.z, lookAt.x, lookAt.y, lookAt.z, up.x, up.y, up.z);
 
-}
\ No newline at end of file
+}