Swap ring purpose is to create less drag coefficient, mostly used for surfing photography.
Compatible for 6" Dome Port
- V1
- V2
- V3
- V4
- V5
- V6
- V7
- V10
Make sure to use proper size tools to remove screws (allen key provided in the set) and align the ring with the rest of a dome port via small guiding rail which will correspond to the sticking out bit on spherical part.