660d9359   
   From: into@oblivion.nothing.com   
      
   Helpful person  wrote in news:690286ea-7829-4f2a-9e35-   
   e45961d096ba@w9g2000prg.googlegroups.com:   
      
   > On Mar 24, 7:59 pm, Skywise  wrote:   
      
   >> But for simple and cheap, think about what you do when you are   
   >> using a small magnifying glass.   
      
   > Maybe, but not for "very high-resolution screen" which implies good   
   > imagery over the full 90 degree field of view.   
      
   Well, it is a start. I don't know if the OP is just a hobbyist   
   looking for something simple, or someone more skilled who has   
   the ability to design a lens system.   
      
   For myself and my level of knowledge, I know it can be done.   
   I suspect to get the best performance would require at minimum   
   a two lens design, if not more. I'd probably go snag the free   
   version of Zemax and give myself a crash course on lens design,   
   and try to use stock lenses from a catalog like Edmund Sci or   
   other lens manufacturer. I'd also probably end up bugging everyone   
   here with a bunch of questions.   
      
   Brian   
   --   
   http://www.skywise711.com - Lasers, Seismology, Astronomy, Skepticism   
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