English Conversations: Taking a picture

Paul Ryefield: Excuse me. Could you please take a picture of us with this camera?  
Man: Sure.Which button should I press to shoot?
Paul Ryefield: This one.  
Man: Do I have to focus it?  
Paul Ryefield: No,This is a focus-free camera.All yo have to do is  point and press the button.    
Man: All right.Say "cheese".