GENUINE SHORT LENS TO ALLOW WATERPROOF BULLET CAMERAS TO THREAD ON THE CAP FULLY AFTER FOCUS AND INSTALLATION UNLIKE CHINA KNOCKOFFS.NO IR FILTER ON THIS LENS.KT&C Board Lens 12B mm for Module & Complete Cameras.SpecificationFormat: 1/3 1/4Focal Length: 12mmBack Focal Length: 6.4mm Aperture: F2.0Interested in a new look for your action camera instead of the fish eye?We can mod your camera for lens change to flat lenses for more optical zoomed in views. CAMERA NOT INCLUDED IN THIS DEAL .aucCounter a { text-decoration:none; }.aucCounter span:hover { text-decoration:underline; }.aucHiddenCounter { display:none; }.aucCounterOrangeText { color:#FB6D05; font-family:Arial; Font-size:13px; Font-weight:bold; }.aucCounterBlueText { color:#0068ac; Font-family:Arial; Font-size:11px; } Track Page Views WithAuctiva's FREE Counter