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rmollise
Post Laureate
Reged: 07/06/07
Posts: 4553
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Re: A very rare Tasco find - I got the 16T !!
06/26/09 09:35 AM
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Quote:
The optical design is most likely a Bird-Jones which uses a spherical mirror and the barlow like corrector lens to correct for spherical abberation and increase the focal length.
- Dave
That would be my guess.
--------------------
Uncle Rod
Rod's New Book:
Choosing and Using a New CAT
Available now!
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