Auto NIKKOR Telephoto-Zoom 1:9.5 f=20cm ~ 1:10.5 f=60cm No.170175

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«Nippon Kogaku Japan», Production year 1961
65th lens produced (first 20-60cm lens was No.170111)
13 elements in 7 groups
Picture angle 12°20′ to 4°10′
Chrome front ring, filter ∅ 82mm
Focusing ring with tick marks
Distance scale graduated in meters from 4m to infinity (∞), orange scale with close-up lens from 2.3 to 4m
1-ring-zoom, f-scale 20, 25, 30, 35, 40, 50, 60cm, with dash marks
«LENS MADE IN JAPAN» on black aperture ring («M» with slanted sides)
«PATS.PEND.» on black aperture ring
Aperture scale f/9.5 to f/32, 6 iris blades
Built-in tripod mount, round foot
Bayonet fixed by 3 slot screws
Dimensions approx. 89mm ∅ x 490mm
Weight approx. 2,300g
82mm close-up lens with 2 orange stripes
Nikon 82mm screw-in lens hood with series IX filter adapter, «JAPAN»
NIKKOR 100mm slip-on front lens cap, chrome
NIPPON KOGAKU F rear lens cap
Nikon L39 Series IX drop-in filter, chrome rim