I have not had any problems at all with this filter. It showed up quickly in excellent condition, and fit perfectly on my lens. I occasionally use a polarized filter of the top of it and haven't had any trouble installing or removing the polarized filter from this one. This works great to protect my lens, is clear and unscratched. I think it is an excellent value for the price.
One thing I have learned with cameras; you need to keep your lens covered and free from scratches and dust. This cover is imperative with any camera if you want to preserve the lens.
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