RE: ATM [Fwd: Re: ]

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

I saw your Web page on the 41" ... looks like a beautiful piece of work.  Has this cured 
your aperture fever?

-----Original Message-----
From:   Daniel W. Bakken [SMTP:dan@runway.net]
Sent:   Thursday, February 13, 1997 11:35 AM
To:     atm@shore.net
Subject:        Re: ATM [Fwd: Re: ]

> [Chris Westland]  
> The Obsessions have been using the Endurobrite coatings since 1991. 
> These are dielectric coatings (alternative 1/4 wave layers of SiO
> and TiO2) ... the same coatings used to enhance the aluminium on
> enhanced coatings, but without the underlying aluminium (which is
> why it has to be groung off).  They are great, and I think
> appropriate for a diagonal (QSP can do the primaries up to 40", but
> it is expensive).  But "blows away ordinary enhanced coatings!" is
> really just Dave Krieges characteristic enthusiasm 
> 
Just a note for the most ambitious out there... They did my 41", and 
can do up to about a 62" in their large chamber. Be prepared for 
sticker shock ;-)  .

Daniel W. Bakken
Mead, WA
http://www.runway.net/pilots/dan