Re: [APML] fast optics, even illumination [was: Lagoon and Triffid Region]

[lkt <tan@cox.net>]

There is information on illumination on the website:

http://www.astrosystems.nl/images/vignet.jpg

The corrector is 8" and the primary is 10". If you look thru the
website, there is a lot of detail regarding the specs of the optics. 

Loke

Matt BenDaniel wrote:
> 
> At 01:22 PM 5/29/2002, Bobby Middleton wrote:
> >...The mosaic work gets most difficult when there's lots of uneven illumination
> >across the field. If you're doing much to fight that with the tri-color work
> >already, then it would be not so easy to mosaic with your Schmidt. But if
> >your illumination is pretty even then it might work OK.
> >
> >Boy I bet a 12-14" Schmidt would be something.
> >Bobby Middleton
> 
> Does anyone have informed opinions about the Ash Lurie 200, which purportedly evenly illuminates medium format?
> 
> http://www.astrosystems.nl/
> --
> Matt BenDaniel
> matt@starmatt.com
> http://starmatt.com
> 
> --  APML Archives at <http://astro.umsystem.edu/apml/>  ---
>              Unsubscribe at <majordomo@seds.org>

--  APML Archives at <http://astro.umsystem.edu/apml/>  ---
             Unsubscribe at <majordomo@seds.org>