Contessa-Nettel Ergo
Spy Camera or Detective Camera, disguised as a monocular. Made by Contessa-Nettel from 1913 to 1926. Compound shutter with speeds up to 100th sec. Zeiss Jena Tessar lens. Original case, hooded focusing screen and single slides. Uncommon camera.
MarqueErgo Contessa-Nettel
MarqueErgo Contessa-Nettel