In article <6OfzNh1-v4B@j-lilien.amtrash.comlink.de>, j.lilienborn@AMTRASH.comlink.de says...
>scarleton@cintech-cti.com (Sam Carleton) writes:

>> ..., go looking for the 105/2.5
>> that is full metal, no rubber focusing ring. There are two of this
>> model, one with a large last element and one with a small last element.
>> It is the one with the large final element that is the best 105/2.5
>> Nikon ever made. ...

>ist the current AI-S 105/2.5 still the same optical design?

I think it is - the current version is certainly as good as any Nikkor
105mm at normal distances (though it is not as sharp as the 105M AIS
when used under 5' or so at wide apertures).
Hope This Helps