Amazon
Lens diameter 80 mm. Optical treatment: Multilayer ED (Extra Low Dispersion) Focus system: Unique arocentral, from 3.7 m. Field of view: 39.5-28 m. Lens thread for filters: E 82
Lens diameter 80 mm. Optical treatment: Multilayer ED (Extra Low Dispersion) Focus system: Unique arocentral, from 3.7 m. Field of view: 39.5-28 m. Lens thread for filters: E 82