High-Performance
Machine Vision Lens Solutions
Industrial Machine Vision Lenses for Precision Inspection
TOWIN provides high-performance machine vision lens solutions for industrial inspection, robotics, automation, and AI vision systems.
Our portfolio includes M12 lenses, C-mount lenses, low distortion lenses, and custom optical designs for OEM machine vision cameras.
2MP – 20MP
High Resolution
< 0.5%
Low Distortion
1/4" – 1.1"
Sensor Support
M12 / C-Mount
Lens Options
OEM / ODM
Customization
Machine Vision Applications
Solve Real-World Challenges with the Right Lens
PCB Inspection
Challenge:
Detect tiny solder defects and component issues
Lens Requirements:
High Resolution
Low Distortion
Telecentric Optics
Recommended Lens:
Low Distortion Lens C-Mount Lens
Factory Automation
Challenge:
Ensure accurate positioning and part verification
Lens Requirements:
Wide FOV
High Depth of Field
Reliable Performance
Recommended Lens:
M12 Lens FA Lens
Barcode & OCR
Challenge:
Read high-speed barcodes and text clearly
Lens Requirements:
High Contrast
Fast Imaging
Low Distortion
Recommended Lens:
M12 Lens C-Mount Lens
Robotics Vision
Challenge:
Enable robots to perceive and interact accurately
Lens Requirements:
Compact Size
Wide FOV
High Reliability
Recommended Lens:
M12 Lens FA Lens
Measurement
Challenge:
Achieve precise dimension measurement
Lens Requirements:
Low Distortion
High Resolution
Telecentric Design
Recommended Lens:
Low Distortion Lens Telecentric Lens
Quality Control
Challenge:
Detect defects and ensure product consistency
Lens Requirements:
High Resolution
Consistent Imaging
Stable Performance
Recommended Lens:
C-Mount Lens FA Lens
Why Optical Performance Matters in Machine Vision
High-quality optics ensure accurate inspection, reliable measurement and efficient automation.
Resolution
Capture tiny defects and fine details
High resolution reveals more details for precise inspection.
Distortion
Maintain measurement accuracy
Low distortion ensures accurate measurement and positioning.
MTF Performance
Keep ultra-clear image sharpness
Superior MTF delivers high contrast and sharp images across the field.
Sensor Matching
Maximize camera performance
Optimized for a wide range of sensors to get the best performance.
Recommended Machine Vision Lenses
Different lens series for various application needs
M12 Lens
Compact Embedded Vision Lens
Resolution: 2MP – 20MP
Sensor: 1/4" – 1/1.7"
Focal Length: 1.8mm – 16mm
FOV: 30° – 200°
Distortion: <0.5%
Mount: M12 x 0.5
Best For:
Robotics AI Camera Embedded Vision IoT Devices
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FA Lens
Versatile Industrial Lens
Resolution: 2MP – 20MP
Sensor: 1/2.7" – 1.1"
Focal Length: 4mm – 50mm
FOV: 10° – 120°
Distortion: <0.5%
Mount: C/CS-Mount
Best For:
Factory Auto Logistics General Inspection Vision System
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Low Distortion Lens
Precision Measurement Lens
Resolution: 5MP – 20MP
Sensor: 1/3" – 1.1"
Focal Length: 6mm – 35mm
FOV: 8° – 90°
Distortion: <0.1%
Mount: C-Mount
Best For:
Inspection Metrology Measurement Dimensioning
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C-Mount Lens
High Performance Industrial Lens
Resolution: 2MP – 20MP
Sensor: 1/2.7" – 1.1"
Focal Length: 8mm – 75mm
FOV: 6° – 80°
Distortion: <0.5%
Mount: C-Mount
Best For:
Line Scan High Resolution AOI Machine Vision
View ProductsMachine Vision Lens Performance Comparison
Compare key features to choose the right lens for your application
| Lens Type | Best Application | Advantage | Key Features |
|---|---|---|---|
| M12 Lens | Embedded Vision AI Camera, Robotics, Smart Devices | Compact Small size, light weight Ideal for embedded systems | Resolution: 2MP – 20MP Sensor: 1/4" – 1/1.7" Mount: M12 × 0.5 FOV: 30° – 200° |
| C-Mount Lens | Industrial Camera Factory Automation, General Inspection | Flexible Wide range of focal lengths and accessories High compatibility | Resolution: 2MP – 24MP Sensor: 1/3" – 1.1" Mount: C-Mount Focal Length: 4mm – 75mm |
| Low Distortion Lens | Measurement Precision Inspection, Metrology, AOI | High Accuracy Ultra low distortion Ensure measurement accuracy | Distortion: < 0.1% Sensor: 1/3" – 1.1" Focal Length: 6mm – 35mm High Resolution & Contrast |
| Telecentric Lens | Metrology High Precision Measurement, 3D Measurement | Zero Perspective Error Eliminate perspective distortion for accurate measurement | Magnification: 0.1x – 2.0x+ Low Distortion: < 0.05% Working Distance: 50mm – 400mm+ Telecentric Design |
Key Optical Parameters for Machine Vision Lenses
High performance optics deliver reliable imaging results
| Parameter | Performance | Description | Importance |
|---|---|---|---|
| Resolution | 2MP – 20MP | Supports high resolution cameras for clear detail capture | Higher resolution helps detect tiny defects and fine features |
| Sensor Support | 1/4" – 1.1" | Compatible with a wide range of sensor sizes | Proper sensor match maximizes image quality |
| Focal Length | 1.8mm – 50mm | Wide focal length options for different applications | Affects FOV, working distance and system design |
| Distortion | < 0.5% | Low distortion ensures accurate measurement | Critical for measurement and inspection accuracy |
| Mount | M12 / C-Mount | Standard industrial mounts for easy integration | Flexible compatibility with cameras and systems |
| Wavelength | Visible / NIR | Optimized for visible light and near infrared | Suitable for various lighting and application needs |
| Temperature | -40°C ~ +85°C | Reliable performance in harsh industrial environments | Ensures stability in extreme conditions |
How to Select the Right Machine Vision Lens
Follow these 6 simple steps to find the best lens for your application
1
Sensor
Confirm sensor size and resolution
2
FOV
Define field of view requirements
3
Working Distance
Determine object distance range
4
Resolution
Match pixel size and resolution needs
5
Distortion
Ensure distortion meets accuracy needs
6
Lens Selection
Choose the optimal lens for your system
Machine Vision Lens Types
Different lens designs for different industrial vision needs
🤖
FA Lens
For factory automation
Wide FOV
High Reliability
Cost Effective
Assembly, Sorting, Packaging
🎯
Low Distortion Lens
For measurement
Ultra Low Distortion
High Resolution
Accurate Measurement
Inspection, AOI, Metrology
📏
Telecentric Lens
For precision inspection
Zero Perspective Error
Consistent Magnification
High Measurement Accuracy
Metrology, 3D Measurement, Gauging
🔲
M12 Lens
For embedded systems
Compact Size
Lightweight Design
Easy Integration
Robotics, AI Camera, IoT Devices
FOV Calculator for Machine Vision Lenses
Calculate the ideal lens parameters for your industrial vision system.
Input your sensor size, focal length, and working distance to instantly get field of view results and recommended lens options.
Input Parameters
- Sensor Size
- Focal Length
- Working Distance
Get Results
- Horizontal FOV
- Vertical FOV
- Object Coverage
- Recommended Lens Range
Need help choosing a lens?
Contact our optical engineers for customized recommendations.
Contact our optical engineers for customized recommendations.
How It Works
1
Sensor Size
Select your camera sensor size
2
Focal Length
Enter or select the focal length
3
Working Distance
Input the distance between lens and object
4
Calculate
Get FOV results and recommended lens
Calculator Preview
?
mm ?
mm ?
Results (Example)
Horizontal FOV
220.6 mm
(25.1°)
Vertical FOV
165.4 mm
(18.6°)
Diagonal FOV
275.3 mm
(30.9°)
Object Coverage Area
220.6 x 165.4 mm
(H x V)
Recommended Lens
12mm M12 Lens
Best match for your input parameters
Accurate Calculation
Based on optical equations
Multiple Sensor Support
Supports 1/4" to 1.1" sensors
Wide Focal Length Range
1.8mm to 50mm focal lengths
Engineer Verified
Trusted by 1000+ customers worldwide
Knowledge Center
Frequently Asked Questions
Q: What is a machine vision lens?
A: A machine vision lens is an industrial optical lens designed for automated inspection, robotics, barcode scanning, and AI vision systems. These lenses provide high resolution, low distortion, and stable image quality for industrial imaging applications.
Q: How do I choose the right machine vision lens?
A: Key factors include sensor size, field of view, working distance, focal length, and distortion requirements. The correct lens improves inspection accuracy and overall imaging performance.
Q: What is low distortion in machine vision?
A: Low distortion means the lens maintains accurate object shapes without image bending or deformation. It is important for measurement, inspection, robotics, and AI vision applications.
Q: What lens mounts are commonly used in industrial cameras?
A: Common industrial lens mounts include M12, C-Mount, and CS-Mount. C-Mount lenses are widely used for industrial inspection systems, while M12 lenses are popular in compact embedded vision devices.
Q: What focal length is best for machine vision systems?
A: The ideal focal length depends on the sensor size, working distance, and required field of view. Wide-angle lenses capture larger scenes, while longer focal lengths provide higher magnification.
Q: Can TOWIN provide custom machine vision lens solutions?
A: Yes. TOWIN provides customized optical solutions including low distortion lenses, wide-angle lenses, compact M12 lenses, and industrial imaging optics for machine vision and AI applications.
Need Help Selecting a Machine Vision Lens?
Provide your application details:
- Sensor size
- Working distance
- Field of view
- Resolution requirement
Our optical engineers will recommend the best M12 or C-mount solution for your system.
ONLINE CONTACT
Let’s Build the Right Optical Solution Together
Have a question, need a quote, or want to discuss your project? Our optical experts are ready to help.
Expert Support
Get professional advice from our optical engineers.
Tailored Solutions
We provide customized lens solutions that fit your application.
Reliable Quality
High-quality manufacturing with strict testing and quality control.
Fast Response
We value your time and will get back to you as soon as possible.
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