The moon in your photo is indeed oval (65 pixels wide x 61 pixels high). The moon is
indeed oval, but not by that much! There's only 2 km difference out of 3446km mean
diameter. Another consideration that might be given is atmospherics near the horizon.
This
is not the case here though, because atmospheric refraction would elongate the image
top
to bottom and this image is elongated side to side. My best guess is that the pixel
array
is not perfect (pixels aren't exactly square) and the software does not apply perfect
correction.
That's my guess.
Regards,
Rocket Scientist Bob...
-------------------------------
Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a
well-armed lamb contesting the vote!
----- Original Message -----
From: "Shel Belinkoff" <[EMAIL PROTECTED]>
To: "Pentax List" <[EMAIL PROTECTED]>
Sent: Tuesday, February 27, 2001 7:21 AM
Subject: Oval Moon
> A few days ago I shot three photos of the setting moon. They
> all had a somewhat oval-shaped appearance and I'm wondering why
> that might be.
>
> I used the A*300/4.0 lens mounted on an LX. The setup was
> tripod mounted, the shutter was tripped with a cable release.
> Aperture was f/8.0 and the exposure was about 1/30 or 1/60 sec.
> The camera was in the horizontal position.
>
> Here's the pic, taken from the print with an el cheapo digital
> camera:
>
> http://home.earthlink.net/~belinkoff/ovalmoon.jpg
>
> Any ideas why the moon might be oval-shaped.
> --
> Shel Belinkoff
> mailto:[EMAIL PROTECTED]
> There are no rules for good photographs,
> there are only good photographs.
> -
> This message is from the Pentax-Discuss Mail List. To unsubscribe,
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