Realmachinemoldopening, fullysuitableforInsta360X3actioncamera; ThelensmaterialisPMMA, withalighttransmittanceof95%AftercoatingwithARanti-reflectionfilm, thelighttransmittancereaches98%IthasanASwaterproofandanti-fingerprintfilm, andanAShardfilmThesurfacehardness; TheprotectiveshellismadeofhardenedPC, scratch-resistant, textured, anti-splashandanti-fingerprint;; 360-degreetotalinvisibility, eliminatingallblindspots; uniqueopticalsphericallensdesign, underwaterpanoramicsplicing, canrestoreaseamlesspanoramicpicture;