Re: ATM Enhanced Coatings.

["Chris Westland" <westland@uxmail.ust.hk>]

I suspect that it doesn't make that much difference visually.  But another
advantage is that the additional layers of SiO make the coating more
weather resistant, and physically tougher.


-c
----------
> From: James A. Klutts <jklutts@up.net>
> To: atm@shore.net
> Subject: ATM Enhanced Coatings.
> Date: Wednesday, October 02, 1996 7:58 PM
> 
>  I would appreciate opinions about the merits of using enhanced coatings
on
> primary and secondary mirrors. For a purely visual scope is the added
> expense worth it? Can the eye distinguish the added percentage of
> reflectivity?   Thank's JIM
>