use almost any lens on your GoPro Hero3 or Hero3+ Black Edition Ripcage Features include: -Premium CMC machined aluminum Parts -M12 CS Mount & C-Mount compatibility -Connect other Lens types with adapter rings -Removable IR cut filter -Removable three position tripod mount -Adjustable flange distance -Lanyard/ tether mounting point -Detailed instructions online Video/PDF https://www.back-bone.ca/support/ribcage-install-video/
eBay