INDUSTRY COMPONENT

Lens Mount

Precision mechanical interface that securely positions and aligns camera lenses with industrial smart camera sensors for consistent optical performance.

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Component Specifications

Definition
A lens mount is a critical mechanical component in industrial smart camera modules that provides a standardized interface between interchangeable lenses and the camera body. It ensures precise alignment of the optical axis, maintains consistent flange focal distance, and provides secure mechanical attachment while allowing for electrical connections for autofocus, aperture control, and lens data communication in advanced systems. The mount must maintain micron-level precision to prevent optical aberrations and ensure repeatable imaging performance across production environments.
Working Principle
The lens mount operates on mechanical precision principles, providing a standardized interface with specific flange focal distance (FFD) that ensures the lens's rear nodal point is positioned at the correct distance from the image sensor. It incorporates bayonet or screw-type locking mechanisms for secure attachment, precision-machined surfaces for alignment, and electrical contacts for communication between lens and camera body. The mount maintains optical alignment through rigid construction and precise manufacturing tolerances, ensuring consistent image quality and measurement accuracy.
Materials
Typically manufactured from high-strength aluminum alloys (e.g., 6061-T6, 7075-T6) for optimal strength-to-weight ratio, corrosion resistance, and thermal stability. Critical contact surfaces may feature hardened steel inserts or ceramic coatings for wear resistance. Electrical contacts use gold-plated copper alloys for reliable signal transmission. Some precision mounts utilize stainless steel (e.g., 17-4PH) for applications requiring enhanced corrosion resistance or thermal stability.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Mount TypeC-mount, CS-mount, F-mount, or proprietary industrial interfaces
Surface FinishRa 0.8μm or better on critical surfaces
Shock Resistance50G, 11ms duration
Alignment Tolerance±0.01mm radial, ±0.005° angular
Electrical Contacts4-8 pin configuration for power and data
Maximum Lens WeightTypically 300-500g depending on application
Thread Specification1"-32 UN-2A (C-mount), M12×0.5 (CS-mount)
Vibration Resistance5-2000Hz, 5G maximum
Flange Focal Distance17.526mm (C-mount), 12.5mm (CS-mount), 46.5mm (F-mount)
Operating Temperature-10°C to +60°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 10935:2009, ISO 10110-7:2017, DIN 58185, DIN 58186, IEC 60529

Parent Products

This component is used in the following industrial products

Industrial Smart Camera Module

The Industrial Smart Camera Module is a compact, self-contained vision processing unit designed for integration into industrial machinery and production lines.

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Industrial Camera Module

A specialized imaging component designed for integration into industrial vision systems, providing high-resolution image capture for machine vision applications.

View Product Details

Industrial Camera

A specialized imaging device designed for machine vision applications in industrial environments.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Mechanical wear leading to alignment drift
  • Thread damage from improper installation
  • Electrical contact corrosion in humid environments
  • Thermal expansion causing focus shift
  • Vibration-induced loosening in high-frequency applications
  • Compatibility issues with non-standard lenses
FMEA Triads
Trigger: Thread wear from frequent lens changes
Failure: Lens wobble and optical misalignment
Mitigation: Implement torque-controlled installation tools, use thread lubricants, schedule preventive maintenance, and consider quick-change adapter systems
Trigger: Thermal cycling in variable environments
Failure: Focus drift and measurement inaccuracy
Mitigation: Use materials with matched thermal expansion coefficients, implement temperature compensation in software, maintain stable operating environment
Trigger: Vibration in high-speed production lines
Failure: Lens loosening and complete detachment
Mitigation: Implement secondary locking mechanisms, use thread-locking compounds, increase mounting torque specifications, add vibration-damping materials

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Radial runout: ≤0.01mm, Angular alignment: ≤0.005°, Flange distance: ±0.02mm, Thread concentricity: ≤0.015mm TIR
Test Method
Coordinate measuring machine (CMM) verification, optical alignment testing with collimators, torque testing for mounting security, thermal cycling tests (-10°C to +60°C), vibration testing per IEC 60068-2-64

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Lens Mount

Manufacturer profiles associated with Lens Mount.

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What is the difference between C-mount and CS-mount lens interfaces?

C-mount has a 17.526mm flange focal distance with 1"-32 thread, while CS-mount has a 12.5mm flange distance with M12×0.5 thread. They are not directly compatible without adapters, and using the wrong combination affects focus and may damage components.

How often should industrial lens mounts be inspected for wear?

Inspect every 6 months for high-cycle applications (100+ lens changes daily) or annually for standard use. Check for thread wear, alignment surfaces, electrical contact integrity, and mounting stability. Replace if radial play exceeds 0.02mm or angular misalignment exceeds 0.01°.

Can different brand lenses be used interchangeably on the same mount?

Yes, if they share the same mount specification (C-mount, CS-mount, etc.), but performance may vary due to manufacturing tolerances. For critical applications, verify optical performance and calibration after lens changes. Proprietary mounts with electronic communication may have brand-specific compatibility limitations.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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