> Mike Lazzari wrote:
>
> > I have a Vivitar polarizing filter that is very stiff to turn. By the
> > weight of it I'd guess that the ring is made of aluminum. Any suggestion
> > as to what to use as a lubricant?
>
> From: "Gary Edwards"
> Subject: Re: [OM] stiff filter
>
> I was going to recommend Boelube, which is paraffin based.
>
> Gary
>
Is this the stuff developed by Boeing? Is it thin enough to penetrate
into the ring? I don't mean the threads. Where do you get it? Thanks,
Mike
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