5.5" f/3 Comet Catcher by Celestron (orange tube)
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This is a nice little piece of history and is a great little grab-n-go Mak-Newt type instrument that CAN be used like Edmund Astroscan, or similar lap-held instrument. At f/3 it provides an extremely wide FOV and is well suited for rich field imaging using CCD camera. A nicely built focuser rides on heavy ball bearing aluminum track for smooth action with loads of 5 lbs or more :-). Comes with 1/1/4" extention tube and original WF Celestron EP. Selling package for $250 obo. Many thanks for consideration!