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Re: [OM] Removing the front group on a 50/1.8

Subject: Re: [OM] Removing the front group on a 50/1.8
From: clintonr@xxxxxxxxxxxxxxxx
Date: Thu, 23 Aug 2001 23:30:42 -0500
Add to your tool chest some black or white rubber stopers from your
local hardware store -- the larger ones work great for turning some of
the name rings.  Olympus makes a special tool for most lenses -- an
aluminium ring with a rubber ring inside molded to grip the various name
rings and front groups -- don't know if they sell them, though.

Some other discoveries at the hardware store -- little rubber rings that
are perfect for winders/motor drives, just like the ones Olympus sells. 
And tiny steel ball bearings.  All at a fraction of what Oly charges!

Mark Dapoz wrote:
> 
> On Mon, 20 Aug 2001, Chuck Norcutt wrote:
> 
> > Thanks, John and Gary.  I may give it another shot with lighter fluid
> > and/or alcohol.  This 50mm has tapered holes for a pin-type spanner
> > wrench.  Better than none but more prone to slippage than a slot.  I
> > guess I could get out the mallet but afraid of what I might be tempted
> > to do with it if the first light taps do not succeed.  :-)
> 
> If that fails give Methanol a try, I've had some luck using it on stubborn
> threads.  You could also try picking away at the exposed epoxy using a
> dental pick.  The epoxy is only used on the outer edge threads and sometimes
> removing the exposed portion allows you to get enough torque with a spanner
> wrench to "break" the rest of it.  Don't strip the spanner slots or the
> job will become much more difficult :-)
>                                         -mark
> 
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