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CameraControl.focusDistanceOptimum

This API is available on Firefox OS for privileged or certified applications only.

Summary

The focusDistanceOptimum property value is the distance in meters where the subject appears sharpest.

Syntax

var optimum = instanceOfCameraControl.focusDistanceOptimum

Value

Return a number representing a distance in meters.

Example

var options = {
  camera: navigator.mozCameras.getListOfCameras()[0]
};
 
function onSuccess( camera ) {
  var optimum = camera.focusDistanceOptimum;

  console.log("The subject looks sharp at: " + optimum + "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,