On 10/5/06, mike wilson <[EMAIL PROTECTED]> wrote:
>
> >
> > From: Doug Franklin <[EMAIL PROTECTED]>
> > Would an appropriately sized piston ring compressor from the auto parts
> > store help hold everything in place while you slip it into the barrel?
> >
>
> I suspect something like that will be the official tool to do this job but a 
> normal ring compressor would probably be too thick and get in the way.  I 
> found that I could tilt the ring enough to hold the ball in against the 
> spring on one side and then gently slip the other side over the rest of the 
> gubbins.  After about the 20th try and well over an hour searching for the 
> fugitive ball bearing.  It goes off like a Saturn V if you slip.

It sounds like a strip of brass shimming material tightly wound around
the detent when fitting the aperture ring might help.

But I've never pulled a lens apart, so I don't know if it's feasible.

Dave

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