Improved collimation cap for aligning Newtonian reflector telescopes
- For 1.25" tube
- Centered opening (1.5 mm) with cone-shaped tube to stay on axis (10 ° total opening angle)
- Eyecup can be clipped or glued onto the cap (0.05 mm radial learance)
- Two versions: 1.5 mm and 2.0 mm diameter opening
Happy printing!
License:
Creative Commons - Attribution - Non-Commercial