On Thu, 15 Jul 2010 13:51:52 +0100, "whisky-dave"
wrote:


"Scotius" wrote in message
.. .
Suppose you've taken a photo that is blurred (not due to
movement, but due to improper focus).
Would it be possible, if you could look through just the right
type of lens, to see the picture correctly focused?
If so, would it be possible for software to calculate the
focus problem, or even for a photographer to just go through
progressively different foci to fix something that is blurred?

I very muvh doubt it, and I thought adaptive optics was used
to partialy overcome atmospheric interference. This is employed in ground
based networked telescopes both for visible light and radi wave and IR I
think.It's used by adapting the shape of the 'reflector' or whatever is
grabbing the data from teh objects


I think you're right. I do recall reading that it was for
overcoming atmospheric interference, but this was quite a while back.
I suppose that's what I get for posting about something from an
article I read around 10 years ago.
On the plus side, someone suggested looking up deconvolution,
and also that focus magic is a great program for addressing the
problem, so I ended up with some useful info even though I was
radically wrong about "adaptive optics".
It's a good group.