
Nir Precision Polished Aspheric Lenses/Aspheric Lens/Nir Aspheric Lens. Diffraction Limit Performance: Computer-optimized design achieves diffraction limit performance at high numerical aperture. NIR Antireflective Coating: Specialized 650-1000 nm antireflective coating reduces reflection and enhances transmission. Spherical Aberration Reduction: Aspheric surface design effectively reduces spherical aberration for sharper imaging. High Surface Quality: Offers 60-40 scratch-dig surface quality with high precision and low roughness. Flexible Customization: Custom sizes, shapes, coatings, and substrates available to meet specific customer demands. 3R Warranty Policy: Comprehensive 12-month warranty with return, replace, and refund policy for quality issues. Fast Delivery Time: Quick lead time and delivery, typically within 7-10 days for standard orders.