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Re: [ATM] Luri-Houghton prescriptions.

Bob May wrote:

>The thing you have to remember here is that there is a scope
>being built as we discuss this.  The primary is already pretty
>much set for the ROC (119") and at the moment is being ground at
>the 12 micron stage with a present ROC of 119.5" which means that
>it will probably be the designed for 119" when it gets polished
>out.  The design tolerance is less than 1/4" from that value.  I
>hope that all of the other surfaces that will be done will meet
>that level of accuracy also.
>  
>

Then you should discard the non-BK7 designs from your list; without
changing the RoC to match the glass change makes them so-much-garbage.
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