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China, Chinese N-Bk7 650-1050nm Ar Coated Optical Spherical Lens Positive Convex Meniscus Lens1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Optical Lens InstrumentOptical LensOptical LensMeniscus Lens
Band Optics Technology
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Product DescriptionSpecificationProduct:Meniscus LensMaterials:Optical Grade Glass, N-BK7, UV fused silica, CaF2, ZnSe, ZnS, Ge, Si, Sapphire, etc.Diameter:1.5mm-550mmDiameter Tolerance:±0.05 mm (precision ±0.01mm)Thickness:0.5mm-100mmThickness Tolerance:±0.05mm (precision ±0.01mm)Focal Length Tolerance:±1 %Surface Quality:20-10 scratch-dig (up to 10-5 available)Flatness:PV<1/4L@ 633nm (up to 1/10L); RMS<1/40LSurface Roughness:Rq<0.5nmCentration:<3 arcmin (1 arcmin precision)Center:ETV<0.008mmChamfer:<0.1mmClear Aperture:≥90 % of DiameterAOI:0-55degCoatings:single-layer MgF2, broadband VIS, VIS-NIR, NIR I/II, telecom, or high-energy laser V-coatings (266nm, 355nm, 532nm, 1064nm, etc.)Product FeaturesMeniscus LensVariable Focal Length & Optical PowerMeniscus lenses offer tunable focal lengths and optical power by adjusting the relative curvature of their convex and concave surfaces.Positive meniscus lenses (convex curvature > concave) act as converging elements. Negative meniscus lenses (concave curvature > convex) function as diverging elements.This adaptability enables precise integration into diverse optical systems. Aberration Correction CapabilityEngineered surface curvature profiles allow meniscus lenses to minimize spherical aberrations. By optimizing ray convergence, they enhance image fidelity across the field of view—critical for high-resolution imaging applications. Compact Form FactorThe inherently low-profile geometry reduces system volume and mass without compromising optical performance. Ideal for size-constrained platforms such as mobile imaging modules, aerospace optics, and portable electro-optical devices.ApplicationsMeniscus lenses have a wide range of applications across various fields due to their unique shape and optical properties. Here's a breakdown of their primary uses:1. Eyeglasses:Positive Meniscus Lenses: Used to correct farsightedness (hyperopia) by converging light rays to focus properly on the retina. Negative Meniscus Lenses: Used to correct nearsightedness (myopia) by diverging light rays to shift the focal point back onto the retina. Their curved shape provides a comfortable fit and aesthetic appeal, making them a popular choice in modern eyewear. 2. Camera and Imaging Systems:Meniscus lenses are integrated into multi-lens assemblies to minimize optical aberrations (e.g., spherical aberration, distortion). They help optimize performance by improving field of view, focusing accuracy, and image sharpness. Used in wide-angle lenses, zoom lenses, and compact camera modules to enhance image quality. 3. Optical Instruments:Microscopes: Adjust focal length and correct aberrations, ensuring clear, high-resolution imaging of microscopic samples. Telescopes: Enhance light-gathering capacity and focusing precision, improving the clarity of distant celestial objects. Also used in binoculars, projectors, and laser systems where precise light control is critical. 4. Other Applications:Laser Systems: Used to shape or collimate laser beams efficiently. Medical Devices: Employed in ophthalmic instruments and diagnostic tools for precise light manipulation. Scientific Research: Utilized in optical experiments requiring minimal aberration and precise focal control. InspectionsProduction LineFactory AdvantagesAs a total solution provider on Optics, we can match your different demands as below optical components:---Automated, High-Speed and Low-Speed Precision Polished Optics---Precision Optical Domes for Demanding Applications---Optical Lens, Spherical Lenses, Aspherical Lenses---Optical Mirrors---Optical Windows---Optical Prisms---Optical Filters---Camera AssemblyCompany ProfileCertifications
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