
Optical Half-Ball Lenses Customed Small Size with Coating Balll Lens. Lifetime Warranty: Provides a forever warranty coverage for all optical products. High Transmittance: Optical transmittance exceeds 95% for superior light efficiency. Customized Options: Offers full customization, minor customization, and design-based options. Wide Material Range: Available in BK7, fused silica, JGS1, JGS2, and other optical crystals. Precision Tolerance: Dimension tolerance is strictly controlled within +/-0.005mm. High Surface Quality: Surface quality rated at 40-20 with sphericity of 0.005mm. OEM and ODM Service: Professional OEM and ODM services available for custom requests. ISO9001 Certified: Manufacturing process certified under ISO9001 quality standards.