This API is available on Firefox OS for privileged or certified applications only.
Summary
The focusDistanceFar property value is a distance in meters used with CameraControl.focusDistanceNear to define the image's depth of field. The value for this property may be Infinity.
Syntax
var max = instanceOfCameraControl.focusDistanceFar
Value
Return a number representing a distance in meters. The value for this property may be Infinity.
Example
var options = {
camera: navigator.mozCameras.getListOfCameras()[0]
};
function onSuccess( camera ) {
var max = camera.focusDistanceFar,
min = camera.focusDistanceNear;
console.log("The image's depth of field is: " + (max-min) + "m");
};
navigator.mozCameras.getCamera(options, onSuccess)
Specification
Not part of any specification; however, this API should be removed when the WebRTC Capture and Stream API has been implemented.
