diff --git a/src/cameras/StereoCamera.js b/src/cameras/StereoCamera.js
index 1ba53ad7b2ad86b3d50da987f158b530ced38206..54f1f15cd2e030523f0a850af68495f13e7bffcb 100644
--- a/src/cameras/StereoCamera.js
+++ b/src/cameras/StereoCamera.js
@@ -47,7 +47,7 @@ THREE.StereoCamera.prototype = {
 				// http://paulbourke.net/stereographics/stereorender/
 
 				var projectionMatrix = camera.projectionMatrix.clone();
-				var eyeSep = focalLength / 30 * 0.5;
+				var eyeSep = 0.064;
 				var eyeSepOnProjection = eyeSep * near / focalLength;
 				var ymax = near * Math.tan( THREE.Math.degToRad( fov * 0.5 ) );
 				var xmin, xmax;