Galaxy 35 mm f/3.5
A Galaxy (not Prinz Galaxy) 35 mm f/3.5 with preset aperture is shown above. Also this lens model is virtually a clone of the Optomax, and differs in minor details only. It uses the same optics of the Optomax, Kyoei, Soligor, Hanimex etc. All these lenses have the same 23 mm diameter of the front lens element and 46 mm filter mount. The lens coatings are bluish in color.