It appears that the housing is invisible to the Gear 360's lenses so you should have an unobstructed view. There might be fogging and/or additional flare though. But that's a small price to pay for waterproof capability! The housing can also serve as a sturdy camera case.
This puts pressure on the Nikon Keymission 360 which was touted for being a waterproof 4k 360 camera but was delayed to October.