From: "Richard Schwartz" 
To: "John Sherman" 
Cc: 
Reply-To: "Richard Schwartz" 



----- Original Message -----
From: "John Sherman" 
To: 
Sent: Saturday, January 11, 2003 7:39 PM Subject: Re: ATM Ultimate Optical Capability


...
> >    So why am I bothering with an observing report on a telescope making
> >forum?  If you're making a mirror and you're thinking of quitting at 1/4
> >wave because it's "diffraction limited", you may reach
"Dawes limit", but
> >that's about all.  If you ever want to use more 150 power on a planet,
> >don't stop at 1/4 wave, don't stop at 1/8 wave.  If you have to settle
> >for 1/16 wave, you probably won't be too unhappy.  So take the time,
> >whatever it takes, to make it absolutely the best you can, because
> >eventually, you'll be glad you did.  It DOES make a difference.
>
> Agreed!

Yes, even Richard agrees that it might make a difference... at high power.
But for wide field prime focus photography, it makes no difference at all.

John, call me after work one of these days, and we'll do dinner while you
are waiting for the traffic from hell to clear.   Also, consult me before
you move--  I know the bad neighborhoods (because I live in one).

. . . Richard

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