GOI Helios-40 1.5/8.5cm prototype, 1950

“State Optical Institute” (GOI) Leningrad, USSR

GOI Helios-40 1.5/8.5cm prototype rangefinder lens 1950

The second known example of the Helios-40 rangefinder lens prototype in chromed brass body (Kiev/Contax mount) made to very high standards by the elite GOI (“State Institute for Optics”) Leningrad, USSR – present day Saint Petersburg, Russia.

Photo credit: © Leitz Photographica Auction