Re: Aperture Mask

Jaakko T Oksa (joksa@snakemail.hut.fi)
Tue, 9 May 1995 15:35:22 +0300 (EET DST)

On Mon, 8 May 1995, Chuck Grant wrote:

>
> > From: Steve Scampini <scampini@hpangrt.an.hp.com>
>
> > Hello Everyone,
> > I want to make a temporary aperture mask to explore the possibility that
> > I have a turned edge. It would be convenient to mount it on the top of
> > the mirror hold down clips...this would place it about 1/16 inch above
> > the surface of the mirror. Will that signficantly compromise the results?
>
> No. That will be just fine. It will make no difference whatsoever.

Of course it would be so much easier to mount it in front of the telescope. No need to remove the mirror cell etc..

Jaakko Oksa