Celestron CGX-L 14 Inch Schmidt-Cassegrain Telescope - 12072 - Telescopes at Telescopes
A Cassegrain telescope uses two mirrors as shown in the above figure. Such a telescope is built with the mirrors $20mm$ apart. If the radius of curvature of the large mirror is
A Cassegrain telescope uses two mirrors as shown in above figure. Such a telescope is built with the mirrors 20mm apart. If the radius of curvature of the large mirror is 220mm
Celestron CGX 11 Inch Schmidt-Cassegrain Telescope - 12052 - Telescopes at Telescopes