INDUSTRY COMPONENT

Lens Element

A precision optical element that refracts or focuses light in optical systems.

Component Specifications

Definition
A lens element is a fundamental optical component designed to manipulate light through refraction, typically made from transparent materials with precise curvature. In precision optical lens arrays, multiple lens elements are arranged to correct aberrations, control focal length, and achieve specific optical performance metrics. These elements are manufactured to sub-micron tolerances for applications requiring high resolution and minimal distortion.
Working Principle
Operates on the principle of refraction, where light bends as it passes through materials with different refractive indices. The curvature of the lens surfaces determines how light rays converge or diverge, enabling functions like focusing, collimating, or imaging in optical systems.
Materials
Optical glass (e.g., BK7, Fused Silica), optical plastics (e.g., PMMA, Polycarbonate), or crystals (e.g., Sapphire). Materials are selected based on refractive index, dispersion, transmission range, and environmental stability.
Technical Parameters
  • Coating AR, HR, or custom
  • Diameter 5-100 mm
  • Centration <1 arcmin
  • Focal Length 10-500 mm
  • Clear Aperture >90% of diameter
  • Surface Quality 40-20 scratch-dig
Standards
ISO 10110, ISO 14999, DIN 3140

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Lens Element.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Surface contamination
  • Mechanical damage from handling
  • Thermal expansion mismatch
  • Coating degradation
FMEA Triads
Trigger: Improper cleaning procedures
Failure: Surface scratches or coating damage
Mitigation: Use lint-free wipes and approved solvents; implement handling protocols
Trigger: Thermal stress during operation
Failure: Cracking or delamination
Mitigation: Select materials with matched coefficients of thermal expansion; design for thermal management

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Surface accuracy: λ/10 @ 632.8 nm, Centration: ±0.5 arcmin
Test Method
Interferometry, autocollimation, MTF measurement

Buyer Feedback

★★★★☆ 4.9 / 5.0 (20 reviews)

"Great transparency on the Lens Element components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."

"The Lens Element we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements."

"Found 22+ suppliers for Lens Element on CNFX, but this spec remains the most cost-effective."

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Frequently Asked Questions

What is the difference between a lens element and a complete lens assembly?

A lens element is a single optical component, while a lens assembly consists of multiple elements combined to achieve specific optical performance, such as reduced aberrations or variable focus.

How are lens elements tested for quality?

Testing includes interferometry for surface accuracy, spectrophotometry for transmission, and environmental tests for durability under temperature and humidity variations.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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