an Advanced and Oleophobic Sapphire Glass Optical Lens for Underwater Gear

an Advanced and Oleophobic Sapphire Glass Optical Lens for Underwater Gear. Exceptional Hardness: Mohs Hardness of 9, second only to diamond, offering superior scratch resistance. High Transmittance: Optical transmittance exceeds 95%, ensuring clear visibility in various lighting. Customizable Dimensions: Diameter and thickness tolerances can be customized to specific requirements. Advanced Coating Options: Available with AR, HR, Oleophobic, Hydrophobic, and Conductive coatings. OEM/ODM Services: Full customization, minor customization, and design-based customization available. Chemical Stability: Excellent resistance to water, strong acids, and bases (excluding HF).