In article , jcwatne@skypoint.com says...

>I have a question for the historians out there-
>My dad has a monstrous zoom lens that he bought in Arusha around 1961 to
>go with his non-Photomic F. Upon reading a guide to the Nikon system I
>have found that this is supposed to be a very uncommon lens. This one has
>a push-pull ring for changing the focal length, separate from the focus
>ring. This was changed to the familiar single focus/focal length after
>about a year. The question is: if this lens is "highly sought after" by
>collectors, how much might it be worth? It's not really worth much for
>shooting, since it's like 15 inches long and several pounds, with a huge
>front element, and modern zooms must be lots better.
>
>If anyone is interested, he also has 35/2.8, 58/1.4, and 135/3.5(?, can't
>remember) lenses from that same very first series of lenses for the Nikon
>F. The apertures are kinda sticky on a couple of them. I doubt these are
>hard to find.

If the lenses are very close to mint, and are rated in "cm" instead of
"mm", there appears to be some interest in them as collector items, though
I doubt that the values are astronomical, yet (mint black "F"'s, on the
other hand..... [I am still kicking myself over one of those....;-(]).
Hope This Helps