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Old 03-09-2009, 10:33 PM
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erick (Eric)
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Join Date: Dec 2006
Location: Gerringong
Posts: 8,548
Quote:
Originally Posted by Outbackmanyep View Post
Is it possible to interchange the barrels with the cheap ones??

I have had my Televue eyepieces do this to me, but in all essence, an extra half turn or 2 helps settle the issue!

One might think that it should be possible. The problem is the variety of barrels. You might think it was simply a 1.25" and a 2" with a standard filter thread - but up at the business end, they are all so different - shapes and threads.

I remember my first wide angle - the el-cheapo 80 deg 30mm. It has a very undistinguished dull aluminium 2" barrel. No problem, sez I, I'll just take that lovely shiny steel barrel off the 2" GSO 26mm and swap. No luck - different threads.

Now, I have been able to get my eyepieces in and out and it is usually a combination of loosening the set screw further - trying to be careful (with two pairs of gloves in the cold) not to unscrew it completely - and a good wiggle of the eyepiece.

BUT that is unsatisfactory. An eyepiece should easily slide out and slide in and be nipped up firmly - is that too much to ask?
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