Aperture blades sticky?

A friend has a Nikon 28-70 f/2.8 (( ED-IF AF-S ))that has been unused
for the last couple years. I was showing it to a photog for possible
sale and he noted that the aperture control in the back of the lens
returns slowly to wide open.

I suspect the blades are gummed up or otherwise not slipping cleanly.

Could it be something else?

Would a lens CLA cover that?

How much would (should) that cost?

Thanks,
Alan.

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"Alan Browne" wrote in message
...

A friend has a Nikon 28-70 f/2.8 (( ED-IF AF-S ))that has been unused for
the last couple years. I was showing it to a photog for possible sale and
he noted that the aperture control in the back of the lens returns slowly
to wide open.

I suspect the blades are gummed up or otherwise not slipping cleanly.

Could it be something else?

Would a lens CLA cover that?

How much would (should) that cost?

Thanks,
Alan.

--
-- r.p.e.35mm user resource: http://www.aliasimages.com/rpe35mmur.htm
-- r.p.d.slr-systems: http://www.aliasimages.com/rpdslrsysur.htm
-- [SI] gallery & rulz: http://www.pbase.com/shootin
-- e-meil: Remove FreeLunch.
-- usenet posts from gmail.com and googlemail.com are filtered out.