phototheodolite

[ foh-toh-thee-od-l-ahyt ]
/ ˌfoʊ toʊ θiˈɒd lˌaɪt /

noun

an optical tracking instrument consisting of a camera and theodolite mounted on a single tripod, used in photogrammetry and in tracking rockets.
Compare theodolite.

Origin of phototheodolite

First recorded in 1890–95; photo- + theodolite