On Thursday, September 18, 2014 5:32:44 PM UTC-4, RichD wrote:   
   > In a nearby office park, there are a few outdoor   
   > surveillance cameras, primarily intended for   
   > night security.   
   >   
   > The problem is, the lighting is quite dim,   
   > such that no human witness could reliably   
   > testify to an intruder's identity.  Are there   
   > cameras that operate better than the human eye,   
   > in such circumstances?   
   >   
   > Of course, there's infrared, but my experience   
   > is they provide fuzzy silhouettes, not precise   
   > face features.  Or have they improved?   
   >   
   >   
   CCD's "see" down to ~1um.  But that doesn't help   
   all that much if there is no light to reflect off   
   something.  They make image intensifiers.   
   But they are spendy and I don't think you'd want to put   
   one outside where it might "grow legs" and leave :^)   
      
   George H.   
   > --   
   >   
   > Rich   
      
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