From: "Aditya Munshi" 
To: 
Reply-To: "Aditya Munshi" 



That's a good idea , the hole is just about as wide as  the diagonal but
the good news is that the hole has disappeared after my work session last
night!!


Thanks Anyway

Aditya

-----Original Message-----
From: hermit [mailto:hermit] On Behalf Of hermit
Sent: Sunday, June 08, 2003 11:11 PM To: Aditya Munshi
Subject: Re: ATM when should i start parabolizing ?

Aditya Munshi wrote:
>
> Hi everyone,
>
> I am almost done correcting my 8" f/7 to a sphere. There is almost
> nothing left if the TUE only a central hole persists ? What I would
like
> to know is how do I measure the magnitude of the central depression
and
> how much can I correct in the final figuring ? Would it be advisable
to
> correct the surface to a sphere now or to merge the hole into the
> parabola itself ?
>
> I need your thoughts on this
>

The center falls into the diagonal's shadow.  How wide is the hole?

Ken

--- BBBS/NT v4.01 Flag-4