Achromatic Lens

N-BK7 SF11 Optical Glass Achromatic Doublet for High-Resolution Photography Material ‌Composition ‌: The N-BK7/SF11 Achromatic Doublet is composed of two types of optical glass: N-BK7 and SF11. ‌N-BK7 ‌: A type of borosilicate crown glass with high transmittance in the visible and near-infrared spectrum. ‌SF11 ‌: A type of flint glass known for its ability to correct chromatic aberrations in combination with crown glass. Property ‌Refractive Index ‌: Each glass type has a

Anti-Reflective Coated Optical Achromatic Lens for Projection Optics Material : Achromatic Lens Composition : Combines two optical glasses (e.g., crown glass like BK7 and flint glass like F2) to correct chromatic aberration. Anti-Reflective (AR) Coating : Multi-layer dielectric coatings (e.g., MgF₂, SiO₂) optimized for minimal reflection across visible to near-infrared (400–1100 nm) wavelengths. Key Properties : Chromatic Aberration Correction : Eliminates color fringing by