[HN Gopher] Curvy adaptable imaging sensor improves image, retai...
       ___________________________________________________________________
        
       Curvy adaptable imaging sensor improves image, retains more pixels
        
       Author : geox
       Score  : 17 points
       Date   : 2021-07-24 10:46 UTC (2 days ago)
        
 (HTM) web link (phys.org)
 (TXT) w3m dump (phys.org)
        
       | eyesee wrote:
       | > In contrast with conventional digital cameras, in fact, curvy
       | imaging sensors typically require multiple and complex lens
       | combinations to take clear and high-resolution images.
       | 
       | This sounds backwards to me. My understanding of the main benefit
       | of curved sensors is to eliminate complex lens series needed to
       | correct aberrations caused by a flat sensor surface.
        
         | fooker wrote:
         | For a fixed focal length, yes. If however, you want to use a
         | lens of a different focal length compared to the one naturally
         | suited to the curvature, that makes things much more
         | complicated.
        
         | zwieback wrote:
         | Yes, sounds like they got that backwards. Although, if
         | mimicking the eye, you'd need a lens with variable focal length
         | to take full advantage.
        
           | fooker wrote:
           | Our eye only has good vision in the center. So, there is
           | usually no mimicking the eye for designing imaging systems.
        
       ___________________________________________________________________
       (page generated 2021-07-26 23:02 UTC)