Re: ATM A question, if I may?

[Michael Coslo <mjc5@psu.edu>]

At 9:48 PM -0700 8/17/99, Slc.Dennis Bishop wrote:

>I removed the mirror cell today to put a spot at the center for =
>collimation purposes. I noticed that the mirror is held in place with =
>three, L shaped rubber clamps (one was so loose it was rattling!). How =
>tight should I tighten the clamp screws? I don't want to distort the =
>mirror (about 1 inch thick), but I don't want it to move around too much =
>either.

        As long as the thing isn't going to fall out, those mirror clips
are about as tight as you would want them. Many people thing it is a
mistake when the mirror is held in loosely, and snug the clips down,
causing astigmatism in the mirror.

        - mike -

___________________________________________
Michael J. Coslo
Pennsylvania State University
Photographer/Videographer Specialist
814-863-8165
mjc5@psu.edu