Nikon (Nikkor) Micro 105mm f/4 AIS Manual Focus Lens. See Test Images. Unlike the newest lenses, it is manual-focus only, which is ideal for macro work. This one: lens number 247082, was number 15,028 in a total run of just 24,758 of the last and best AIS version of the 105mm f/4 Micro lens manufactured by Nikon Japan between September 1981 and March 1983.
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