This item has been replaced by the F2A mounting block.
F2 mounting base for SV66 and 2" Crayford focusers. This is a low profile aluminum base that mounts to Stellarvue and other brand 1.25" and 2" Crayford focusers with a single 5mm screw. Works with the SV66, Nighthawk, Nighthawk BV, 102B and other telescopes using a focuser that has a 5mm threaded hole for finder attachment. This base will also attach to the side of the Stellarvue R80 and R4 hinged rings.