-
Richter (1933), from US 2,031,792
Roosinov (1946), from US 2,516,724 Wild
Aviogon by
Bertele (1950), from US 2,734,424
Zeiss Biogon by
Bertele (1951), from...
-
Russar -
Biogon -
Aviogon - Hologon: La
storia definitiva dei super-grandangolari simmetrici" [Hypergon -
Topogon -
Russar -
Biogon -
Aviogon - Hologon: The...
-
Russar -
Biogon -
Aviogon - Hologon: La
storia definitiva dei super-grandangolari simmetrici" [Hypergon -
Topogon -
Russar -
Biogon -
Aviogon - Hologon: The...
- devices. In 1950, he
created an
aerial 90° viewing-angle f/4.5 lens, the
Aviogon,
which was free from
optical aberrations;
distortion was less than 10 μm...