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Home > Classifieds > Astromart Classifieds > Focusers > Classified #288604

For Sale: Astro-Physics 4" focuser extention tube

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I have a AP 4" extention tube. Two thunb screws to adjuts the brass ring locking collar. Slip fit to fit any 4" focuser. Threaded on the scope side. Looks like it was never used.
Contact me make offer

Thank you

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