It has two reflecting telescopes, the 2.4 m Hiltner Telescope (since 1986), used for galactic surveys, and the 1.3 m McGraw-Hill Telescope (since 1975), which was originally located near Ann Arbor, Michigan.
The mirror of the 2.4 m Hiltner Telescope is aluminum coated Cer-Vit, and usable foci include f/7.5 and f/13.5 Cassegrain foci. It was named after astronomer W. Albert Hiltner (1914-1991).
The 1.3 meter, actually 1.27 m clear aperture, telescope is aluminum coated Cer-Vit (low thermal expansion glass), and usable foci include f/7.5 and f/13.5. The... Read More