On Thu, Oct 2, 2008 at 12:53 PM, Brooke Clarke wrote: > With a film camera the mirror made sense, but > doesn't with a digital camera where in low light situations the imaging chip > can see better than human eyes. > Is it really true that the imaging chip (uncooled and not operating with a very long integration time) is really more sensitive than dark-adapted eyes? Our eyes, after well adjusted to the dark, need only a few tens of photons to detect light. Sean -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist