FAQ_General
Using ND Filters and Polarizers with Outex: Four Configuration Options
There are four ways to use ND filters and polarizers with the Outex waterproof camera system: open-front (above-water use), external threaded front port (waterproof, including underwater), dome port with clamp (for any lens including unthreaded), and internal filter with front port attached. ND filters help control depth of field and exposure in bright conditions — especially useful for cinematography.
Read more