RE: [APML] Vignette Correction Software - Found!

["Chris Schur" <cschur@cybertrails.com>]

Bill, the light fall off filter in PWpro can be set to a FL and  film size.
I set the film size to 35mm and lens FL to about 25mm.    I use the two bolt
holes in the bottom of the schmidt to attatch it with 1/4-20 bolts to the
back of my 12.5 inch scope.  does your have these mounting holes?

Chris Schur

Astrophotography: http://www.psiaz.com/schur/astro/index.html

-----Original Message-----
From: owner-astro-photo@seds.org [mailto:owner-astro-photo@seds.org]On
Behalf Of William R. Mattil
Sent: Tuesday, July 02, 2002 8:42 PM
To: astro-photo@seds.org
Subject: Re: [APML] Vignette Correction Software - Found!


> Chris Schur wrote:
>
> I would like to thank all of those out there that made the numerous
> suggestions for correcting vignetts in my schmidt camera images.  The
> most versitile and recomended was Picture Window Pro, and I found its
> superior ability to correct my images was so superior to fumbling
> around in Photoshop with gradients, I was in awe!  Thanks to all of
> you, now i know why I am so fond of belonging to this group.  Ive
> posted my before and after images here:
>
> http://www.psiaz.com/Schur/astro/filmimagepages/vignette1.html
>
> for your viewing.  Again, I am indebted to all of  you for your help!
>

Chris,

Wow ! ... what a difference. I would be interested in hearing about how
the image is actually processed. Also, how are you mounting the 5.5"
Camera ? I am curious because I have one but am not sure of the ring
size needed (parallax) or if there are alternative methods.

Thanks for sharing

Bill

--
William R. Mattil	| Fred Astaire wasn't so great.
wrmattil@ix.netcom.com	| Ginger had to do it all backwards
(972) 399-4106		| and... in high heels.

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