Well, the best thing about telescopes for the most part is that they all share the same basic idea. I've seen many telescopes cobbled together with different parts, so as long as you can find something relatively the same size, it doesn't matter who the manufacturer is. You can just shoot for something similar and achieve the same result.
Edit: Also, what often happens in the industry is that scopes will be manufactured and then branded many different times depending on region. Even if a particular brand is no longer available, it's most likely still available via a different brand. So, something to think about.
A good rather inexpensive alternative would be a Rigel Quickfinder. http://www.company7.com/rigel/products/qwikfinder.html
Edit: Also, what often happens in the industry is that scopes will be manufactured and then branded many different times depending on region. Even if a particular brand is no longer available, it's most likely still available via a different brand. So, something to think about.
A good rather inexpensive alternative would be a Rigel Quickfinder. http://www.company7.com/rigel/products/qwikfinder.html
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