Nikon Nikkor Ai 28mm f3.5

Completely revised model compared to the pre-Ai version. The new optical design has a similar 6-element configuration with a smaller front element and larger rear, which gives more even illumination than before.

VersionSerial noDateScrewsEngravingNotes
Ai< 104143 > - 5+LMIJPrototype shown on instruction sheet with different serial number. Appears identical to production lens.
Ai1760201 < 1760632 1775022 >Jan77 - 5+LMIJThick rear protector, long projection from max aperture post. Start serial number from F601 service manual
Ai< 1776176 1785355 > - 5+LMIJThin rear protector, long projection from max aperture post.
Ai< 1785006 1798041 > - 5+MIJThin rear protector, long projection from max aperture post.
Ai< 1799123 1954294 > - Sep813+MIJThin rear protector, no projection from max aperture post. Somewhere around 186xxxx the aperture coupling prong was made from thinner pressed sheet metal.

Links

  • Review by Ken Rockwell