Base for Newtonian Focusers - fits tubes from 190-240mm diameter

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

• Suitable for all Newtonian focusers with a 76-78 mm ring swan
• The focusers are attached using 2x M4 grub screws
• Ideal for tubes with a diameter of 230 mm, can be used for tubes with a diameter of 190 mm to 240 mm.
• Dimensions: 90 x 90 mm
• Thickness: 7 mm at the thinnest point
• Distances between the holes for attachment to the tube: 70 mm lengthwise and 73 mm crosswise to the tube

TS Optics is a brand of Teleskop-Service.