Q&A: Chandra Mission
What is the diameter of Chandra's X-ray lens and who designed it?
The x-ray mirrors were designed by Chandra Telescope Scientist Leon van Speybroeck. A tribute and summary of his contributions may be found at:
The largest of the 4 sets of nested mirrors is 1.2 meters wide at its widest point. For more details, please see:
View full specifications of the Chandra Observatory: