Re: [APML] vignetting removal stumped

["Bobby Middleton" <bobm@koyote.com>]

----- Original Message -----
From: Herm
> It improved quite a bit by using Chuck's quick and dirty method, so
probably it
> can be removed properly with more work.

Is there a description of this method anywhere?

>
> Are you using the Lumicon coma corrector in this setup?, what
teleconverter are
> you using?

Nope; I'm on the f/7 12.5" with this and don't use the corrector. On this
shot it figures to f/10 at 3100mm with a Nikon TC14 (1.4x).
Bobby




>
> "Bobby Middleton" <bobm@koyote.com>  wrote:
>
> >I've got a shot with the 12.5" and the 1.4x teleconverter that has me
> >stumped
> >on getting the vignetting removed to my satisfacion. If some of you guys
> >that have a better handle on this have the time and desire, take a look
at
> >it:
> >http://www.koyote.com/users/bobm/b33.htm
> >
> >Any tips I could get on settings for Jerry's Photoshop technique would be
a
> >great help. I played with it quite a lot and was never able to get it to
my
> >likes. The image is only part-way enhanced, and further enhancement will
> >really make that vignetting show up bad.
> >Cropping would be a solution for other 3100mm targets and perhaps
> >for this, but on this shot I will have to crop out some nice stuff to get
> >rid of the vignetting.
> >Bobby Middleton
>
>
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