+vcamera [-ortho] [-projtype]
+ [-persp]
+ [-fovy [Angle]] [-distance [Distance]]
+ [-stereo] [-leftEye] [-rightEye]
+ [-iod [Distance]] [-iodType [absolute|relative]]
+ [-zfocus [Value]] [-zfocusType [absolute|relative]]
+~~~~~
+
+Manage camera parameters.
+Prints current value when option called without argument.
+Orthographic camera:
+ * -ortho activate orthographic projection
+Perspective camera:
+ * -persp activate perspective projection (mono)
+ * -fovy field of view in y axis, in degrees
+ * -distance distance of eye from camera center
+Stereoscopic camera:
+ * -stereo perspective projection (stereo)
+ * -leftEye perspective projection (left eye)
+ * -rightEye perspective projection (right eye)
+ * -iod intraocular distance value
+ * -iodType distance type, absolute or relative
+ * -zfocus stereographic focus value
+ * -zfocusType focus type, absolute or relative"