Key Takeaways Avantier engineered a custom 75° underwater lens assembly for subsea imaging, achieving an exacting ±0.03 mm back-focus tolerance.  Through underwater resolution testing and iterative optical adjustments, the lens delivered uniform sharpness from center to edge.  Validated in real subsea conditions, it supports ROVs, AUVs, offshore inspections, defense applications, and marine research.  This project […]