Vixen Piggyback Fine Adjustment Unit DX. This solidly built unit will mount a guiding scope, camera, or spotting scope on this unit's 1/4"-20 bolt for precise up-and-down and side-to-side slow motion control. It is a heavier duty unit than other fine adjustment units.
The Polar Fine Adjustment Unit is an accessory designed to install star tracking mounts such as POLARIE, and AP Star Tracker System by attaching between photographic tripod and the star tracking mount. This device allows to make fine adjustment in horizontal and vertical direction when installing a polar axis scope.
Vixen Velbon QHD-33 ball pan head for Vixen Polarie star tracker. Attach your Polarie Star Tracker to your tripod with this extra Ball Head. QHD-43 Ball Head. This item is included in the Polarie with tripod package.