[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: The 1500t secondary myth (long)

Original poster: Bert Pool <bert.tx@xxxxxxxxxxx>


>
> At 01:03 PM 12/5/2004 -0700, you wrote:
> >Original poster: "David Rieben" <drieben@xxxxxxxxxxxxxxx>
> >
> >Bert, Phil,
> >
> >I have to reiterate Phil's comment - please give us more dertails ;^
()
> >
> >David


Here is an excellent on-line article on magnifier design by Hull himself:
http://www.stargazing.net/Astroman/Magnifier.html

Bert