Uploaded October 2010 | Updated September 2026, 14 hours ago
Part four of a complete set of tutorials on newtonian collimation theory and practice. Please bear in mind that these videos are incorporated into threads on my site, so as such, it may appear that parts are missing, they are in fact accompanied sometimes by text and diagrams within their subsequent threads.
Part four of a complete set of tutorials on newtonian collimation theory and practice. Please bear in mind that these videos are incorporated into threads on my site, so as such, it may appear that parts are missing, they are in fact accompanied sometimes by text and diagrams within their subsequent threads.










