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Greetings all, I am working on a project where I must simultaneously capture video in two directions. Can anyone recommend a decent (and lightweight <100g) true 4k video camera? Additionally, where is the best place to mount the camera without obstructing its downward vision, significantly...

I have Marco Polo tracker, I'm sure mine is the same size as the now "Ultralight". On the battery door of the MavMin I stuck the same type of Velcro that is on my P3A. Where else could you put it and not interfere with GPS and other sensors? If it is Horizontal which was the best way to get...