Gamma Optikai Művek was a Hungarian camera maker in Budapest. It was founded as Gamma Finommechanikai és Optikai Művek Rt. (Gamma Works for Precision Mechanics and Optics Ltd.) in 1939. Its most famous cameras are the Pajtás in 1955 and the technically advanced SLR named Duflex designed by Jenő Dulovits in 1947.
- Gamma Hungarian source