Insta360 X3 / X4 compatible invisible dive case that leaves no obstruction in 360 shots. Protection and performance - 360-degree protection that is wear-resistant and scratch-resistant - Prevents camera bumps, supports seamless underwater panoramic stitching, and eliminates blind spots - Waterproof to 50 meters Optics and materials - Lens material: PMMA with base light transmission 95% - After plating AR transmittance enhancement film increases transmission to 98% - AS waterproof anti-fingerprint film and AS hardening film; surface hardness 5H, comparable to ordinary glass; anti-scratch Coatings for maximum clarity - Increased transmittance anti-fog film and anti water droplet coating to maximize light transmission when shooting - Aiming for clarity close to shell-less shooting Use scenarios - Underwater photography or videography to depths up to 50 meters with unobstructed 360 capture - Water sports such as snorkeling, diving or swimming where protection and clear 360 footage matter - Coastal or poolside shoots requiring high visibility and splash resistance