Re: Moon shot trivia

Paul J Gans wrote:
David J Taylor
<david-taylor@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
Paul J Gans wrote:
David J Taylor
<david-taylor@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

Intersting that you have the same white-balance issue which I saw.
Setting "daylight" rather than "auto" removed the orange tint.
Looks good otherwise. These are great little cameras, aren't they?

But, but,... It *is* daylight.

----- Paul J. Gans

Indeed it is similar to daylight, but with this particular subject,
occupying the relatively small fraction of the sensor area that it
does, both the cameras mentioned see it as requiring a somewhat
different colour balance, i.e. the algorithms don't work correctly
under those particular circumstances.

Yes. The trick would be to spot meter the moon, but I can't
do that with my 300D. So one has to "guess" the exposure and
expose for the moon only. There's no detail in the rest of the
sky... ;-)

The color balance though is tricky. I'm going to be doing some
moon photography this summer and I'll have some real experience
then.


Compared to daylight on the earth, though, the skylight contribution
is missing, which will alter the colour temperature.

Yes. Though I'm told that the moon really is a dim brownish
ball. Looks bright enough to us, but we are comparing to total
blackness...

My point was that I'd start experimenting with daylight settings
and go from there.

----- Paul J. Gans

Thanks for your comments, Paul.

With the Panasonic FZ5 and FZ20 they do have a spot metering capability,
but I found I needed to reduce a couple of stops from what they metered,
so perhaps the "spot" isn't as small as on some cameras....

I haven't checked the moon's albedo spectrum to know just what colour to
expect!

Good luck in the summer - will skies not being dark enough be a problem
(he says, coming from a rather northerly latitude!).

Cheers,
David


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