Hi all
Don Pensack has written a fantastic article titled
Collimation and the Newtonian. It's a must-read for every newtonian owner.
You can read the article on the
IceInSpace Projects and Articles page, or directly by clicking the link below:
Collimation and the Newtonian
Thanks to Don for contributing the article to IceInSpace. If you'd like to submit a review, article or other content to IceInSpace, please
contact me.