Protecting the World's Largest Mirrors - Giant Magellan Telescope
Amazon.com: Telescope Mirror Set - 203mm Primary & 100mm X 70mm Secondary Mirrors : Industrial & Scientific
Reflecting telescopes
Primary Mirrors - Giant Magellan Telescope
Optical Telescope Element - Wikipedia
Webb Telescope Actuators Move with Microscopic Accuracy - Tech Briefs
Segmented Mirrors - 4D Technology
Bob Bunge's 4.25-inch f/10 reflector page
James Webb Space Telescope: The engineering behind a 'first light machine' that is not allowed to fail | Space
Hubble Space Telescope Backup Mirror | National Air and Space Museum
Behind James Webb Space Telescope's iconic mirror | Space
The recently completed James Webb Space Telescope primary mirror alignment yielded a (nearly inconceivable & quite ridiculous) resolution of 17 milli-arc seconds… or, 0.0000194 degrees of sky (a full moon inhabits about
Incredible Engineering Marvel: Sixth Mirror Cast for Giant Magellan Telescope
NASA Webb Telescope on X: "As of right now, all of our mirror segments except for the 2 designated as A3 & A6 have completed their 12.5 mm move! But don't worry: