NIKKOR-H 1:2.5 f=18cm No.470046

mouseover to enlarge

«Nippon Kogaku Japan»
production year 196?
6 elements in 4 groups
picture angle 13°30′
black front ring, filter ∅ 82mm
preset diaphragm
aperture scale f/2.5 to f/32
12 iris blades
missing focusing barrel and lens mount
NIPPON KOGAKU 82mm screw-in lens hood, «f=18cm 1:2.5», two pieces, with adapter for series IX filters

Help! I am looking for a parts 18cm 1:2.5 lens! It may have glass problems, but the focusing barrel and lens mount should be complete!