|  | 
         
          | Description: 
             This wide-angle lens (top) 
            produces distortion-free views, like this view from the ceiling of 
            a bookstore (bottom). |   
          | Source: 
             Gyeong-il Kweon, Honam University, 
            et al. |   
          | Story:  Truer 
            wide-angle lens TRN December 
            11/18, 2006
 |   
          | TRN Categories: 
             Optical Computing , Optoelectronics 
            and Photonics |   
          | Form: 
             Still |  |