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CameraControl.focusDistanceFar

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.

See also

Document Tags and Contributors

 Contributors to this page: chrisdavidmills, teoli, MHasan, ajaybhat, kscarfone, Sheppy, Jeremie
 Last updated by: chrisdavidmills,