Inon SD Front Mask for HERO3, HERO3+,& HERO4
- Designed only for underwater use, vignetting will be visible on land
Use the Inon SD Front Mask to permit use of these Inon underwater lenses:
- Inon UCL-G165 Wide Angle Closeup Lens
- Inon UFL-G140 Semi-Fisheye Lens
