GOPRO HUSING 5,6,7 Its allow you to connect GOPRO 5,6 and 7 to your side cam please not you are not be able to use your GOPRO directly with out changing the lens to 12mm or 16mm Focal the standard Gopro lens bracket size is m12 x 0.35 pitch.
MUN-1 will be required to connect the GOP-II to your side cam.
You need customised Gopro to be able to connect your Gopro to your scope.
We have 12mm x 0.50 pitch ( other listing ) low sensor lens they It will fit to Gopro 5-6 and 7 too but need lens threads modifications like this links . make sure the gopro buying from them it’s comes with m12 x 0.50mm pitch lens mount: