Purtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.
With this base you can attach several focuser models currently available on your Newtonian telescope.
Fits all newton telescope focusers with a male dovetail 76-78mm.
Optimized for tube diameter ca. 300 mm, also fits tubes from 285mm diameter.
The base also fits flat surfaces.
Dimension: 90x90 mm
thickness: 7 mm - smallest position
The focuser is held in place with two slug screws from the side.
Distances of the holes for screws attaching the base to the tube: 70mm parallel to the tube, 73mm sideways