WWI German aircraft Oigee ENI reflector sight for Fokker D VII EXTREMELY RARE
A reflector sight or reflex sight is an optical sight that allows the user to look through a partially ... Optische Anstalt Oigee of Berlin, working from the Grubb patents, developed two versions what came to be known as the Oigee Reflector Sight.
EXTREMELY RARE WWII German aircraft Oigee ENI reflector sight. This Oigee ENI reflector sight was one of the first reflex sights in the world. Used in the Fokker D VII. Manufactured: Oigee, Doktor Walter Gérard, Charlottenburg, Berlin.