How does Optical Zoom work?

• BillGates

  27 May 06, 23:54

  In digital camera.
  
  There are several thousands CCDs in a digital camera.
  
  How does the zoom work such that all gets a clear focus?
  
  Thank you all.
  I'm doing some research.
• FireIce

  27 May 06, 23:55

  may i direct u to the fotogs here
  http://www.sgforums.com/?action=forum_display&forum_id=1255