EÚZ1

Also called elektronický univerzální zaměřovač.Designed by VTÚ, VÚT - Ing. Sarant a Ing. Barra.It was manufactured from 1954 to 1955 (development 1952-1953) by Aritma.

References

https://www.idnes.cz/zpravy/zahranicni/vyslouzili-sovetsti-vyzvedaci-v-csr.A020513_160534_vedatech_jan (WebArchive)