This is the lower optical frame for the camera used on the Hale 200-inch telescope at the Cassegrain focus to proof test the split field concept design for the Wide Field/Planetary camera of the Hubble Space Telescope. The NASM collection holds the complete, working camera including split field optics and 2 of the original 4 CCD camera units. (Catalogue#'s 19990211000 through 19990211009), that were used programmatically on the 200-inch for many years and featured in Richard Preston's "First Light" as a galaxy and quasar finder. The 4-shooter was donated by the California Institute of Technology in September 1999. It is now stored at the Garber facility.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.