Industry-Verified Manufacturing Data (2026)

Objective Lens

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Objective Lens used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Objective Lens is characterized by the integration of Lens Element and Lens Housing. In industrial production environments, manufacturers listed on CNFX commonly emphasize Optical Glass construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision optical lens that collects and focuses light in an interferometric optical head.

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Product Specifications

Technical details and manufacturing context for Objective Lens

Definition
The objective lens is a critical optical component within an interferometric optical head, responsible for collecting light from the measurement surface and focusing it onto the interferometer's detector. It determines the system's resolution, working distance, and field of view, enabling precise non-contact surface measurement through interference patterns.
Working Principle
The objective lens operates by refracting incoming light rays to converge at a focal point. In interferometric systems, it collects light reflected from the target surface and directs it to combine with a reference beam, creating interference fringes that encode surface height information.
Common Materials
Optical Glass, Fused Silica
Technical Parameters
  • Focal length determines magnification and working distance (mm) Customizable
Components / BOM
  • Lens Element
    Primary light refraction element
    Material: Optical Glass
  • Lens Housing
    Mechanical support and alignment
    Material: Aluminum Alloy
  • Anti-Reflection Coating
    Minimize light loss and reflections
    Material: Dielectric Thin Film
Engineering Reasoning
400-700 nm wavelength, 0.1-100 mW incident power, 15-35°C ambient temperature
Surface deformation exceeding λ/10 (63.3 nm RMS at 633 nm wavelength), transmission loss >5%, temperature gradient >10°C across lens diameter
Design Rationale: Thermal expansion mismatch between lens material (N-BK7 glass, α=7.1×10⁻⁶/K) and mounting structure (aluminum, α=23.1×10⁻⁶/K) causing stress-induced birefringence and surface distortion
Risk Mitigation (FMEA)
Trigger Laser power density exceeding 10 kW/cm² at 532 nm wavelength
Mode: Lens coating ablation and substrate melting at focal point
Strategy: Integrate optical power meter with automatic shutter at 8 kW/cm² threshold
Trigger Cyclic thermal loading from 20-80°C at 1 Hz frequency
Mode: Radial cracking from CTE mismatch stress accumulation
Strategy: Implement matched CTE titanium flexure mounts (α=8.6×10⁻⁶/K) with strain relief design

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Objective Lens.

interferometric optical head objective lens precision optical lens for electronic manufacturing fused silica objective lens specifications anti-reflection coated optical glass lens BOM components for objective lens assembly

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Interferometric Optical Head
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Optical Lens System
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1.5 bar
other spec: Clean, dry air environment; no direct particle impingement
temperature: -20°C to 80°C
Media Compatibility
✓ Clean dry air ✓ Nitrogen purge gas ✓ Vacuum environments
Unsuitable: Abrasive slurry flows or high particulate concentration
Sizing Data Required
  • Numerical aperture (NA) requirement
  • Working distance specification
  • Wavelength range of interferometric light source

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Optical coating degradation
Cause: Chemical exposure to cleaning solvents or environmental contaminants, UV radiation damage, or improper handling leading to scratches that compromise anti-reflective or protective coatings.
Lens delamination or cracking
Cause: Thermal cycling stress from rapid temperature changes, mechanical shock from impacts or vibration, or material fatigue from cyclic loading in adjustable lens assemblies.
Maintenance Indicators
  • Visible haze, discoloration, or permanent streaks on lens surface despite cleaning
  • Audible grinding or clicking noises during lens adjustment or focusing mechanisms
Engineering Tips
  • Implement strict handling protocols using lint-free gloves and approved lens cleaning solutions only, with regular inspection schedules using controlled lighting to detect early coating defects.
  • Maintain stable environmental conditions with controlled temperature/humidity, use vibration-damping mounts, and perform periodic alignment checks to prevent mechanical stress accumulation.

Compliance & Manufacturing Standards

Reference Standards
ISO 10110-7:2017 - Surface imperfections ANSI Z80.1-2015 - Ophthalmic lenses DIN 3140-7:2017 - Optical elements
Manufacturing Precision
  • Surface accuracy: λ/4 RMS
  • Centration: ±0.02mm
Quality Inspection
  • Interferometric surface testing
  • MTF (Modulation Transfer Function) measurement

Factories Producing Objective Lens

Verified manufacturers with capability to produce this product in China

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✓ 98% Supplier Capability Match Found

P Procurement Specialist from Singapore Jan 28, 2026
★★★★★
"The Objective Lens we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements."
Technical Specifications Verified
T Technical Director from Germany Jan 25, 2026
★★★★★
"Found 53+ suppliers for Objective Lens on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
P Project Engineer from Brazil Jan 22, 2026
★★★★★
"The technical documentation for this Objective Lens is very thorough, especially regarding technical reliability."
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.”

12 sourcing managers are analyzing this specification now. Last inquiry for Objective Lens from India (1h ago).

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Frequently Asked Questions

What are the primary applications of this objective lens in computer and optical product manufacturing?

This objective lens is specifically designed for interferometric optical heads used in precision measurement, alignment, and inspection systems within computer, electronic, and optical manufacturing processes.

How does the anti-reflection coating improve lens performance?

The anti-reflection coating minimizes light loss and ghost images by reducing surface reflections, ensuring maximum light transmission and measurement accuracy in interferometric applications.

What are the advantages of using fused silica versus optical glass for this lens?

Fused silica offers superior thermal stability and lower thermal expansion, making it ideal for high-precision applications with temperature variations, while optical glass provides excellent optical clarity and cost-effectiveness for standard applications.

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 Computer, Electronic and Optical Product Manufacturing sector.

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