Wayne,
As Gary says, it's the diaphragm. Focusing is not the issue.
The way many Vivitar lenses are mad, the diaphragm is part of an interior
module. The lens has to be completely
disassembled to fix the lube problems. Often it's a case of too much lube.
I just tossed a Vivitar 24 2.0 (made by Kiron) with that problem.
Brian Huber
-----Original Message-----
From: Wayne Harridge [SMTP:Wayne.Harridge@xxxxxxxxxxx]
Sent: Saturday, February 06, 1999 7:39 AM
To: 'olympus@xxxxxxxxxxxxxxx'
Subject: RE: [OM] Vivitar Series 1 28-90mm
Gary,
> > What are your opinions on the quality of this lens ?
>
> Closely check the responsiveness of the diaphram. When the
> lubrication goes
> bad on these they become not economically repairable!
> Symptom: slow to stop
> down.
I'll check that out.
>
> Sounds like a bargain, unless it's a user condition.
>
Looks very clean, glass and body, zoom/focussing is quite firm.
..Wayne
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