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Re: [OM] Repairing a 35/70 3.5~4.5

Subject: Re: [OM] Repairing a 35/70 3.5~4.5
From: clintonr@xxxxxxxxxxxxxxxx
Date: Thu, 26 Sep 2002 14:35:41 -0500
That happens on this model.  If I remember correctly,  you unscrew the plastic
name ring on the front to reveal the frame that holds the front group in place
-- be careful, the front lens will be loose!  The frame has two notches -- try
tightening the frame into the body by turning clockwise while holding the
distance ring.  After replacing the name ring, you may need to re-focus the lens
-- remove the rubber grip and underneath you'll find several screws.  These
screws have to come out -- they aren't set screws, the actually screw into a
slot in the ring underneath.  Once the front group is positioned properly for
infinity, replace these screws -- they'll cut their own threads.

Another common problem is that the rollers in the zoom split, and/or the screws
that hold the rollers in place will work loose until they strip out the threads
in the barrel.  If that's happened, the lens is probably toast -- the rollers
aren't available anymore, and if the threads are stripped it needs a new barrel
assembly anyway.


Ian G Skelly wrote:

> Am I out of touch with prices?
>
> I have a 35/70 3.5~4.5 where the focusing ring has come loose from the
> internals - it feels like its a friction grip and still works if I'm
> carefull.
>
> Quoted repair costs are (in GB pounds) 60 - 85 + parts + VAT (17.5%).....
> around $130USD. At that sort of price I'm tempted to dismember it myself - I
> was looking for an ultra cheap 50 1.8 for my first experiment but....
>
> Shame really as it was my favorite 'walk about' lens.
>
> Ian
>
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