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Uran-26

                                                                                                

PT0705. Prototype lens, calculated by GOI in 1948. Focal length - 3.5 cm, aperture range f2.5 - f22 (?). Focusing range unknown. Number of elements/groups: 7/5.  Angular field - 63º. Kiev (Contax) mount.



Sample opposite scanned from GOI Catalogue (1963).

 

PT0705 - Uran-26 prototype lens.