In article , ggo@csd.cri.dk says...

>In article <4gdki9$82b@newsstand.cit.cornell.edu> d_ruether@hotmail.com
(Bob Neuman) writes:
>> The 24mm f2.8 optics have not been changed since their introduction
>> as non-AI lenses with the knurled metal focus ring except for the
>> addition of multicoating many years ago. They all have
>> floating-element design ("CRC"), as do most Nikkor wides.

>Acording to the "Nikon Compendium", the Nikkor 24/2.8 was
>initially a 9-element/7-group, and was changed over to a
>9-element/9-group lens when the AI version was released. (...)

Hmmm..., that one slipped by me -- thanks for the information!
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