Industry-Verified Manufacturing Data (2026)

Precision Aspheric Lens Element

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Precision Aspheric Lens Element used in the Manufacture of Optical Instruments and Photographic Equipment sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Precision Aspheric Lens Element is characterized by the integration of Optical Substrate and Anti-Reflection Coating. In industrial production environments, manufacturers listed on CNFX commonly emphasize Optical Glass (e.g., N-BK7, Fused Silica) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A single, optically ground lens with a non-spherical surface profile.

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Product Specifications

Technical details and manufacturing context for Precision Aspheric Lens Element

Definition
A precision-manufactured optical component designed to correct spherical aberration and other optical distortions in high-performance imaging systems. It serves as a critical building block in B2B supply chains for camera modules, medical endoscopes, and industrial inspection equipment. Manufacturers integrate these elements into complex lens assemblies to achieve superior image quality with fewer components. The component's value lies in its ability to replace multiple spherical lenses while reducing weight and size.
Working Principle
Refracts incoming light rays using a precisely calculated, non-spherical surface curvature to converge them to a single focal point with minimal optical error.
Common Materials
Optical Glass (e.g., N-BK7, Fused Silica), Optical Plastic (e.g., PMMA, Polycarbonate)
Technical Parameters
  • Distance from lens center to focal point (mm) Per Request
  • Deviation from ideal aspheric surface profile (λ (wavelengths)) Per Request
Components / BOM
  • Optical Substrate
    Provides the base material for light transmission and refraction
    Material: Optical Glass or Plastic
  • Anti-Reflection Coating Optional
    Reduces surface reflections to increase light transmission
    Material: Multi-layer Dielectric Thin Films
  • Protective Bevel Optional
    Prevents chipping at the lens edge during handling and mounting
    Material: Same as substrate
Engineering Reasoning
Surface form error < 0.1 μm RMS, surface roughness < 1 nm Ra, transmitted wavefront error < λ/10 at 632.8 nm
Surface form error > 0.5 μm RMS, surface roughness > 5 nm Ra, transmitted wavefront error > λ/4 at 632.8 nm
Design Rationale: Surface deformation exceeding Rayleigh quarter-wave criterion causes destructive interference, scattering losses exceeding 5% per surface, and Strehl ratio dropping below 0.8
Risk Mitigation (FMEA)
Trigger Thermal expansion coefficient mismatch between lens material (N-BK7: 7.1×10⁻⁶/K) and mounting structure (Aluminum: 23.1×10⁻⁶/K)
Mode: Surface deformation exceeding 0.5 μm RMS due to differential thermal stress at ΔT > 15°C
Strategy: Invar alloy (1.2×10⁻⁶/K) mounting structure with kinematic flexure mounts allowing 50 μm radial compliance
Trigger Subsurface damage from diamond turning exceeding 2 μm depth with residual stress > 200 MPa
Mode: Crack propagation from subsurface defects under 10⁷ cycles at 10 Hz vibration frequency
Strategy: Magnetorheological finishing with 0.5 μm abrasive removal of damaged layer followed by acid etching in 5% HF for 30 minutes

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Precision Aspheric Lens Element.

Aspheric Lens Non-Spherical Lens precision aspheric lens element optical glass custom aspheric lens for photographic equipment non-spherical lens surface accuracy nm optical instrument aspheric lens with AR coating aspheric lens element scratch-dig quality specifications

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
other spec: Surface roughness < 5 nm RMS, Wavelength range: 400-1600 nm
temperature: -40°C to +120°C
Media Compatibility
✓ Optical glass cleaning solutions ✓ Dry nitrogen purge environments ✓ High-purity water rinses
Unsuitable: Abrasive slurry flows or particulate-laden media
Sizing Data Required
  • Required focal length (mm)
  • Clear aperture diameter (mm)
  • Surface accuracy (waves RMS @ specified wavelength)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Surface contamination and adhesion
Cause: Accumulation of dust, oils, or particulates on the lens surface due to improper handling, inadequate environmental controls, or exposure to contaminants during operation, leading to reduced optical performance, scattering, or permanent damage if abrasive particles are present.
Coating degradation or delamination
Cause: Exposure to UV radiation, thermal cycling, humidity, or chemical agents that compromise anti-reflective or protective coatings, resulting in increased light absorption, reduced transmission efficiency, or physical peeling that can affect precision and introduce optical aberrations.
Maintenance Indicators
  • Visible haze, streaks, or discoloration on the lens surface under inspection lighting, indicating contamination or coating failure.
  • Audible scratching or grinding sounds during lens movement or adjustment, suggesting misalignment, particulate intrusion, or mechanical wear in mounting components.
Engineering Tips
  • Implement strict cleanroom protocols and use lint-free, static-dissipative tools during handling and installation to minimize surface contamination and electrostatic discharge risks.
  • Regularly monitor and control environmental conditions (temperature, humidity, particulate levels) in the lens operating environment, and schedule periodic non-contact inspections using interferometry or wavefront sensing to detect early degradation before functional failure.

Compliance & Manufacturing Standards

Reference Standards
ISO 10110-12:2017 (Optics and photonics - Preparation of drawings for optical elements and systems - Part 12: Aspheric surfaces) ANSI/OP 1.001-2009 (American National Standard for Optics and Optical Instruments - Preparation of drawings for optical elements and systems) DIN 3140-7:2016 (Dimensioning and tolerancing of optical components - Part 7: Aspheric surfaces)
Manufacturing Precision
  • Surface form error: ≤ 0.1 μm RMS (Root Mean Square)
  • Centration error: ≤ 0.02 mm (decentration of optical axis from mechanical axis)
Quality Inspection
  • Interferometric surface testing (using Fizeau or Twyman-Green interferometer)
  • Coordinate Measuring Machine (CMM) verification of aspheric profile and mechanical dimensions

Factories Producing Precision Aspheric Lens Element

Verified manufacturers with capability to produce this product in China

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✓ 93% Supplier Capability Match Found

T Technical Director from Germany Feb 27, 2026
★★★★★
"Standard OEM quality for Manufacture of Optical Instruments and Photographic Equipment applications. The Precision Aspheric Lens Element arrived with full certification."
Technical Specifications Verified
P Project Engineer from Brazil Feb 24, 2026
★★★★☆
"Great transparency on the Precision Aspheric Lens Element components. Essential for our Manufacture of Optical Instruments and Photographic Equipment supply chain. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Canada Feb 21, 2026
★★★★★
"The Precision Aspheric Lens Element we sourced perfectly fits our Manufacture of Optical Instruments and Photographic Equipment production line requirements."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

10 sourcing managers are analyzing this specification now. Last inquiry for Precision Aspheric Lens Element from Germany (1h ago).

Frequently Asked Questions

What are the advantages of using an aspheric lens element over a spherical lens?

Aspheric lens elements reduce spherical aberration, coma, and distortion, resulting in sharper images with fewer optical errors, especially in wide-aperture or compact optical systems.

What materials are available for precision aspheric lens elements?

We offer optical glass types like N-BK7 and Fused Silica for high-performance applications, and optical plastics such as PMMA or Polycarbonate for cost-effective or lightweight designs.

How do I specify the surface quality and accuracy for my application?

Surface accuracy is measured in RMS (root mean square) nanometers, with lower values indicating higher precision. Surface quality uses the Scratch-Dig code (e.g., 60-40), where smaller numbers denote fewer defects. We'll help you select based on your optical requirements.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Manufacture of Optical Instruments and Photographic Equipment sector.

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