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Re: [OM] Hairy OM4 & Colchester Cameras

Subject: Re: [OM] Hairy OM4 & Colchester Cameras
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Wed, 19 Nov 2003 08:50:53 -0500
Thanks for the update!
----------------------------------------------------
John Hermanson  www.zuiko.com
mail:  omtech@xxxxxxxxx
Camtech, Olympus Sales & Service since 1977
21 South Lane, Huntington NY 11743-4714
631-424-2121  Turnaround 4-5 weeks
----------------------------------------------------
----- Original Message ----- 
From: <clintonr@xxxxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Tuesday, November 18, 2003 3:57 PM
Subject: Re: [OM] Hairy OM4 & Colchester Cameras


> You're describing curtain string bounce.  The first curtain is slamming to
a
> stop (instead of being gradually braked to a stop), then bouncing back
> slightly.  In some situations the curtain string then loops up into the
focal
> aperture casting a shadow on the image.
>
> The first curtain brakes need to be tightened, and possibly the brake
spring
> bent tighter as well.  Not a do-it-yourself proposition, sorry to say -- 
if
> the brake spring slips off the eccentric, a relatively easy repair
suddenly
> becomes quite difficult.
>
> jason.gidden@xxxxxxxxxxxxxx wrote:
>
> > The thread appears semicircular, centre-top, is about an inch to an
> > inch-and-a-half long and encroaches down about half an inch down from
the
> > top.
> >
>



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