If you are looking at a RunCam Micro Swift and are wondering which lens will suit you, then hopefully this video will help you make up your mind.
As I mentioned, both these cameras were supplied by Banggood, so here's their special (affiliate) link to both camera options
My gut instinct is to say 2.1mm on a quad, and 2.3mm on a plane - but depending on how you fly on either platform, both could do well.
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