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Re: ATM A question, if I may?




At 09:48 PM 8/17/99 -0700, you 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.

The clamps should keep the mirror from falling out of the scope if it is
turned 
"open end down", otherwise they should be close but not touching the mirror.
Gravity and the mirror support system (spots, flotation etc) are the
restraining 
system in normal operation.

Ken Hunter