So, they essentially put in hardened versions of these: http://www.telescope.com/Telescopes/Cassegrain-Telescopes/Celestron-EdgeHD-800-Schmidt-Cassegrain-Optic

So, they essentially put in hardened versions of these: http://www.telescope.com/Telescopes/Cassegrain-Telescopes/Celestron-EdgeHD-800-Schmidt-Cassegrain-Optical-Tube/pc/-1/c/1/sc/14/p/9553.uts http://www.telescope.com/Telescopes/Cassegrain-Telescopes/Ce... http://www.telescope.com/Astrophotography/Astrophotography-Cameras/Orion-StarShoot-G3-Deep-Space-Monochrome-Imaging-Camera/pc/-1/c/4/sc/58/p/101473.uts http://www.telescope.com/Astrophotography/Astrophotography-C... (not quite enough pixels, but close) Well, something like those, anyway :-)