With this base you can attach several focuser models currently available on your Newtonian telescope. You can attach the base to the telescope using four M4 or similar screws (not included). We offer this base for different tube diameters. The base is designed for Newtonian focusers with a dovetail connection for adaptation.
Distances of the holes for screws attaching the base to the tube: 70mm parallel to the tube, 73mm sideways
- Curvature optimised for tubes with D=180mm (suitable for tubes from 160-185mm)
- Diameter of the centre aperture ... 78mm (suitable for focusers with the corresponding ring groove)
- Fastening of focusers via two lateral M4 grub screws
- Length x width: 90x90mm
- Openings for drill holes: 70mm lengthwise to the tube / 73mm crosswise to the tube
