SD Front Mask for HERO9 (*also for HERO10)

SD Front Mask for HERO9 (*also for HERO10). Equipped with INON "SD Mount" bayonet system with additional locking feature to support easy and speedy lens exchange as well as reliable installation of INON "UFL-G140 SD underwater semi-fisheye conversion lens" or "UCL-G165 SD underwater wide close-up lens" designed exclusively for an action camera like GoPro®. Of course the SD Front Mask for HERO9 is usable without any attachment lens.