Re: [APML] Question on vignetting

["Bradley" <bhope@thorngarden.net>]

Thanks, Alan. Maybe I just need to blow off the reducer and do a mosiac at
f/10 for those fields I would've been trying at f/6.3. I just hate to see
wasting that much of the frame....

Clear, dark and steady skies

Bradley

Thorn Garden Observatory
http://astronomy.thorngarden.net

----- Original Message ----- 
From: "Alan Voetsch" <alanv12952@yahoo.com>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Tuesday, March 15, 2005 8:11 AM
Subject: Re: [APML] Question on vignetting


> Hey Bradley,
>
> Yeah, this is p[retty much what you can expect to see when you use a
> reducer. I won't attempt to explain it. Check out:
>
> http://www.mapug.com  and do a search for vignetting
>
> MAPUG was pretty much a SCT specific site so the info you find will
> most likely be SCT specific.
>
> Alan

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