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Re: [OM] Subject: Vivitar 28-85

Subject: Re: [OM] Subject: Vivitar 28-85
From: "Bryant Wetzel" <ardvarrk@xxxxxxxx>
Date: Sun, 15 Feb 1998 18:05:15 -0700
Kennedy,
        As I look at the switch in my OM-4 I see that the top is rounded not 
cone
shaped. Do you suppose that the factory had a change on the switch shape as
well?

Bryant

----------
> From: Kennedy <rkm@xxxxxxxxxxxxxxxxxx>
> To: olympus-digest@xxxxxxxxxxxxxxx
> Subject: Re: [OM] Subject: Vivitar 28-85
> Date: Sunday, February 15, 1998 6:11 AM
> 
> In article , Bryant Wetzel <ardvarrk@xxxxxxxx> writes
> >All,
> >
> >Regarding the switch on the lens mount of the OM-4 types. Exactly how
does
> >it look? I have a OM-4 that has the switch and it does beep when you
> >unmount the lens, but I really can not see how it might get sheared.
> >
> >Thanks,
> >
> >Bryant
> 
> If a screw head passes across the switch while the lens is twisted on
> the bayonet mount, the edge of the screw hole cuts the top off the
> switch.  It doesn't shear all of the switch off (which is a cone shape)
> but enough to stop it working correctly.
> 
> It was the most common cause of failures of OM-4 cameras and even caused
> Olympus to enclose bright pink warning labels with every OM-4 sold.
> -- 
> Kennedy
> Yes, Socrates himself is particularly missed;
> A lovely little thinker, but a bugger when he's pissed.
> Python Philosophers         (replace 'nospam' with 'kennedym' when
replying)
> 
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