[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: [ATM] Silvering Mirrors

On Fri, 25 Jan 2008, Marinus van der Lugt wrote:

> Hmmm, if one builds a tube that can be hermetically closed (at least the
> part that contains the primary) then that part could be flooded with a gas
> (CO2?) in between observations.
>
> > The arguments against reside in having to frequently resurface
> > the mirror and lack of affordable protective overcoats.


I think the issue here is sulfur in the air concommitant with
oxidation. Scavangers were already mentioned, but I do wonder
about just storing such optics in water.

Dominic

_______________________________________________
ATM mailing list http://www.atmlist.net/