Re: (ATM) Best way to mount a secondary ?

[Robert Fields <robertf@best.com>]

Wouldn't clips run the risk of introducing strain ? I removed the 
secondary from its previous mount, which was with thin cork and contact 
cement. It seemed to be a wonderful bond. Hmmmm ... decisions .....

On Thu, 19 Oct 1995, Bratislav Curcic wrote:

> >> mounting a 5" diameter secondary for R-C
> 
> Sounds like serious stuff ... I'd play it safe and make clip holders
> a'la Texerau. Silicon is good stuff, but Cassegrain (sorry,
> Cassegrainian :-) is notoriously sensitive to miscollimation. A fast
> primary and a fair amount of magnification on secondary will make it
> HUNDREDS of times more sensitive than an equivalent Newtonian ! A
> miniscule increase in diffraction is a small price to pay for a peace
> of mind.
> 
> Bratislav
>