On Oct 2, 2008, at 10:37 PM, Sean Breheny wrote:

> 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.

The human eye can "detect" light in amazingly small amounts, but the
imaging chips can integrate similar levels over a longer time to
create actual images...

BillW

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