title: Disable Auto Focus in Video Input Library or OpenCV
body: <p>I am using Video Input library to get frames from a webcam. I want to set FOCUS of this camera in C code.</p>
  
  <p>Camera has <strong>AUTO FOCUS</strong> enabled. Isn't there a way to <strong>disable autofocus and set a specific focus value</strong>.</p>
  
  <p>Regards,
  Saleh... </p>