Meyer-Optik Görlitz Orestor 100mm f/2.8 Format: 35mm SLR Type: Prime lens Focusing: Manual Focus (MF) Lens mounts: M42, Exakta First year of production: 1966 Last year of production: 1977 Optical design: 5 elements in 4 groups Specifications:Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)100mmf/2.8f/22151.149284/1065/2,6 1960~70년대 드레스덴(GDR)의 ..