Optics, Cameras.
photo history museum: Aero photography lens from a series of temperature-non-detuning — for cameras with a frame format of 30x30 cm. Field of view — 24°. Components / lenses — 4/4. Developed in 1956 under the direction of D.S. Volosov, and on April 26, 1962, the Kosmos-4 satellite launched