INON SD Front Mask for GoPro HERO3 / HERO3+ / HERO4 @inonzdmount it is necessary to deactivate

it is necessary to deactivate Advanced Cancel Circuit (push and lock the switch/insert the magnet) to accommodate with non pre-flash type camera

Most add-on modifiers dramatically cut light output and reduce the effective power of the strobe

Length : 53 mm/2

While the UCL-90 delivers high magnification

- Sync cord: Fiber-Optic Cable

INON SD Front Mask for GoPro HERO3 / HERO3+ / HERO4 @inonzdmount it is necessary to deactivateQuick Lens Replacement with SD Mount 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 HERO3 HERO3+ and HERO4 is usable without any attachment lens. Optional