Tips for loosening 77mm filter?

mike wilson m.9.wilson at
Fri Oct 30 04:20:57 EDT 2009

---- Igor Roshchin <str at> wrote: 
> In principle, it shoud be easier in a warmer room, - as all
> the metals expand with increasing temperature. 
> I know when my 77mm ultra-thin B&W polarizer filter gets stuck in cold
> weather, bringing it to a warm room helps.
> I haven't tried to increase the temperature beyond the room temperature.
> Obviously, I would not use a heat-gun, but I would consider
> using a warm-air hair blow-drier.
> Good luck.
> Igor

Conversely, stick it in the freezer for 15 minutes.

> From: "Bruce Walker"
> Subject: Tips for loosening 77mm filter?
> >I attached a brand new Tiffen circular polarizer to my DA* 16-50 about 8 
> >weeks ago. I tried to remove it the other day and found it wouldn't budge. 
> >At 77mm diameter it's hard to grip, plus the circular polarizer ring keeps 
> >rotating and gives me even less to hold onto.
> >
> > Any suggestions?  (I mean besides "learn to live with it there" :-) )
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