Drum shaped metal lens assembly for the f / 0.5 camera for the nebular spectrograph used on the Hale Telescope at the Palomar Observatory in California; opens to reveal the internal optics.
Created by
Emily M. Smithberger
Date Created
03/08/2023
Source
Smithsonian National Air and Space Museum
Keywords
Astronomy; Equipment; Science; Space
Rights and Restrictions
Not determined
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