Feels loose and easy to remove. A bit risky to install

The nd filter itself is really good, seems to do the job I needed it to. The problem that I saw is that it's loose and easy to remove. The other thing with this design is that you have to really push it in while holding the camera gimbal and it's a bit dangerous to do. So buy and use at your own risk. I'll probably look for another brand and design if something happens to the filters.

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