Micro-NIKKOR 55mm 1:2.8 AIS 179263

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«Nikon»
Production year 1979
223rd lens produced (first Micro-Nikkor 55/2.8 AIS lens was #179041
Picture angle 43°, 6 elements in 5 groups
Black front ring, filter ∅ 52mm
Rubber covered focusing ring
Distance scale graduated in meters and feet from 0.25m (9.86 in.) to infinity (∞)
Close-range correction system (CRC) to 1:2
Close-up distance scale marked «PK»
Black «MADE IN JAPAN» on black lens barrel
Cross ribbed aperture setting ring, AIS coupled
Aperture scale f/2.8 to f/32, 7 iris blades
Bayonet fixed by 3 cross-head screws
Dimensions approx. 63.5mm ∅ x 62mm
Weight approx. 290g
Nikon 52mm snap-on front lens cap
Nikon LF-1 rear lens cap
Nikon PK-13 Auto Extension Ring