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Posted on Jan 28, 2008
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Lens filters I am new at this. I was studying the different lenses and lens filters and combinations that I bought for my canon video camera and now two of the filters are stuck together. The CPL and a FLD. They screwed together easily but I can't get them apart. The CPL has the moving portion and that makes it difficult to get a good grip when trying to unscrew them. I'm pretty gentle with this stuff and in no way forced the threads when I first put them together. Can I just run them under hot water or something as normal as that? Thanks. Les Owen [email protected] 703 447-0590

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  • Lesowen Jan 29, 2008

    Thanks for your suggestion but it didn't work. I don't get it. I really did not force the threads on this thing but it's acting like I glued it! Would hot water hurt this filters?

  • Lesowen Jan 29, 2008

    Success! Hot water worked. My wife made an interesting observation. She suggested that because of the tight seal a vacuum was created and when I heated the air between the filters it opened easily. I put them together again and found them to be impossible to separate but when I heated them up under the water they gave in within a minute. I think she's right! There's one to file away!

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Lee, a little rubbing alcohol dabbed around the seam between the filters should loosen the threads, Make a full circle and while they are damp, tap the filters lightly a couple of times and try to separate them

  • Anonymous Jan 29, 2008

    it is unlikely that water will hurt either of the filters, not too hot though

  • Anonymous Jan 29, 2008

    Excellent, I will do that. Sometimes the alcohol trick works but lighter fluid has better properties. I've used it many times where the trim ring of a lens must be removed and there are no notches for a tool to spin the ring.

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