Re: [APML] Ideal Telescope (was M31 Mosaic project)

[Radu Corlan <rcorlan@pcnet.ro>]

On Tue, 17 Sep 2002 Chris1011@aol.com wrote:

> In a message dated 9/17/2002 3:16:40 PM Central Daylight Time, 
> rcorlan@pcnet.ro writes:
> 
> 
> > ok. But what about aberrations? Wouldn't the glass intoduce some chromatic
> > aberrations at the wavelength extremes (especially on a fast Mak (F9 or
> > so)
> > 
> 
> No. Not at all. The designs are diffraction limited over the entire 
> photo-visual wavelength range. The corrector is a zero power lens.

Ok, thanks. I played with a schmidt design some time ago, and while it had
some chromatic variations, they were well within the Airy disk; I was
wondering if the Mak is the same - now that i think about it, it;s another
way of doing the same thing.

Radu

> 
> Roland Christen
> 


The future isn't what it used to be. 

-------------
Radu Corlan           Snail Mail: Bucuresti sect. 1, 
rcorlan@pcnet.ro             str. Argentina nr. 28, 71206 Romania

   You can still escape the "Gates" of Hell!   
                 Use Linux!                       



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