title: How to measure light intensity in a particular place using iphone
body: <p>Thanks in advance.
  I want to find out light intensity at some place using iphone. I searched in google and find some apps also But didn't get how to measure. Links to that apps are</p>
  
  <ul>
  <li><a href="http://itunes.apple.com/in/app/light-meter-free/id410228606?mt=8" rel="nofollow">http://itunes.apple.com/in/app/light-meter-free/id410228606?mt=8</a></li>
  <li><a href="http://itunes.apple.com/in/app/pocket-light-meter/id381698089?mt=8" rel="nofollow">http://itunes.apple.com/in/app/pocket-light-meter/id381698089?mt=8</a></li>
  <li><a href="http://itunes.apple.com/in/app/claplight/id321594648?mt=8" rel="nofollow">http://itunes.apple.com/in/app/claplight/id321594648?mt=8</a></li>
  <li><a href="http://itunes.apple.com/in/app/lightmeter/id320768222?mt=8" rel="nofollow">http://itunes.apple.com/in/app/lightmeter/id320768222?mt=8</a></li>
  </ul>
  
  <p>Do any one have an idea to find out please help me.</p>