In article , rainer@u.washington.edu says...

>I just bought a used Nikkor 80-200 f4 AIS lens.
>It is in very good condition but I was surprised to find that when I focus
>on something a mile or so away the scale shows me a distance of 25 meters.
>It also seems to still be off for closer objects. Furthermore focus
>changes while zooming. Is there something wrong with this lens or is that
>a general feature of this zoom? If this is normal why would they make it
>that way?

SLIGHT differences in scale markings and focus-shift with zooming are
normal, but my guess is that your lens shows more than a slight focus
error, and is defective...
Hope This Helps
(David Ruether - http://www.fcinet.com/ruether )