Andrew wrote
>
> Place palm of hand over the filter and turn - or place lens nose down on a
> mouse mat and turn. It works 90% of the time (tested exhaustively, records
> kept). Andrew Fildes afildes@xxxxxxxxxxxxx
>
> On 28/10/2010, at 4:35 PM, Moose wrote:
>
> > The trick is to hold it lightly and at several points around the
> > perimeter when unscrewing it. That's how you find,
> > create, really, the "sweet spot". Or get a proper size filter wrench,
> > which grabs evenly all the way 'round.
I was and am aware of the principle of putting a rubber flask stopper (or
sticky skin) over a jammed filter.
However, Circ-Pol filters incorporate a really good " gotcha ".
They are two-part, and the front part rotates *very* freely.
If you want to get wound up, try rotating one of these for all eternity !!
There is no alternative to working on the narrow ring behind the front one.
My photo shop does not use filter wrenches. They claim that that filter
wrenches make more problems than they solve, and I reckon they know
what they are talking about.
Mine from HAMA broke years ago, and I have never seen new ones since.
I hear what you say, Moose, about wax, but I'm not sure that I agree with
you that the wax will fill the space between threads and cause binding. The
result should be that it is like filling the space between the sole of your
shoe
and the pavement with a fresh banana skin. Oops, here we go !!
I'd like to see John Hermanson's advice on lubricating these filter threads.
Brian Swale.
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