Re: [APML] Focus stability and carbon fiber tubes

Dave, Just out of curiosity who did you order your 9.25 SCT from. I'm kicking around ordering a C8 CF tube either from Anacortes or Astronomics, I'd sure want to get what I paid for!

Clear Skies

Dwight L Bogan

In a message dated 4/25/2004 6:44:32 AM US Mountain Standard Time, s-walters@comcast.net writes:

> I recently ordered a C-9.25" carbon fiber XLT. What
> arrived however was the aluminum tube. I went with
> the carbon fiber specifically for astrophotography
> work because of what I've read regarding its thermal
> stability hence greater focus stability . None of the
> posts I read were recent nor was there consensus.
> Wonder if anyone could share their knowledge on this
> topic. I could exchange the tube but would rather not
> go through the hassle if it really doesn't matter.
> I'm currently doing digital SLR work (4-5 minute
> ungiuded stacked exposures) with a 4" refractor and
> wanted the C-9.25" to go a little deeper. Thank you
> in advance.
>
> Dave Ebbecke
>

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