How to focus your FPV camera (and keep it that way)

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I'll tell you how to set your FPV camera focus so that everything you see is as in-focus as it can be. And then I'll show you ONE WEIRD TRICK (lol) for keeping your lock-ring tight so the lens doesn't come loose while you fly. This trick also works for replacing FPV camera lens and refocus.
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Runcam Eagle
* Purchase at Banggood -
* Purchase at Amazon -
* Purchase at GetFPV -
RunCam Micro Sparrow
* Banggood -
* Amazon -
* RaceDayQuads -
* RunCam - /
Cross-lock tweezers. These are really great tweezers that hold themselves closed instead of you having to hold them closed.
* Purchase at Amazon -
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