Model REF-3007 .8X Recucer/Flattener converts the Tele Vue 102 to 700mm f/6.9. It can also be used with any 800-1000mm refractor. Works with any refractor of that focal length range that does not have a rear element. Ex.: any of the Meade refractors, TV-102, etc.
For photographic use only. Great shape. Selling to finance . . . what else . . . more gear! $200 shipped CONUS.
Thank you for looking.
Wishing you clear, steady skies,