Abuttolph Offline Upload & Sell: On
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I recently purchased a used Heliopan CPL which is in fine condition. However, the polarizer ring is not particularly smooth when it is rotated. I did a brief internet search and it seems that other people have experienced this same issue with Heliopan CPL filters. Interestingly, there are also people who report that the ring turns smoothly. So, it appears to be a mixed bag with the Heliopan filters. The filter is certainly usable, I have just never had another CPL with this issue.
I can live with the filter like this, but would prefer if the ring turned smoothly. Is there something that can be done to smooth it out? Obviously, I don't want to damage it.
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