Antares Finderscope Bracket Mount (FURB)
FURB is a receiving shoe for dovetail accessories. It fits F50FB, F80FB, RBA, RD and most other available accessories.
Dovetail Base for Finder Scope. Allows mounting of most Sky-Watcher and Celestron finderscopes and red-dot finders. Comes with mounting screws for mounting to Newtonians. Not recommended for SCT.