Optical lens supplier – Professional Custom to Global Buyers
Top Low Distortion Lens Manufacturers You Should Know
05/07/2026
Introduction
When you’re looking for a reliable optical lens supplier for industrial cameras, security surveillance, machine vision, or automotive applications, you need more than just lenses—you need professional design, stable mass production, fast delivery, and full technical support. TOWIN is a China-based professional optical lens supplier focused on design, manufacturing, and global distribution, covering almost all types of optical lenses to match your project requirements.
As an experienced optical lens supplier, TOWIN adheres to the core concepts of PROFESSIONAL-ALL-EASY-FAST, which runs through every link of our service:
- Professional: We have professional R&D and manufacturing capabilities, able to provide custom lens design according to your specific needs.
- All: We offer almost all types of optical lenses, covering various specifications and application scenarios to meet any lens requirement.
- Easy: You can easily find the lenses you need through our website or contact our team directly for quick assistance.
- Fast: We have efficient product selection and shipping processes, ensuring your lenses are delivered to you as quickly as possible.
In this article, we will detail what an optical lens supplier can provide, how to select the right supplier and products, key parameter comparisons, and why TOWIN is your trusted partner. Whether you are an industrial buyer, a surveillance equipment manufacturer, or a foreign trade trader, this article will help you quickly understand the core information about optical lens suppliers.
Who Needs a Professional Optical Lens Supplier?
Optical lenses are widely used in various industries, and the following groups are the main users of a professional optical lens supplier:
- Industrial machine vision & automation enterprises: Need high-stability, high-resolution lenses for machine vision cameras, USB cameras, GigE cameras, and 3D cameras.
- Security surveillance equipment manufacturers: Require lenses suitable for CCTV cameras, network cameras, and IP cameras, especially IR-corrected lenses for day/night use.
- Intelligent Traffic Systems (ITS) operators: Need specialized traffic lenses for traffic monitoring cameras.
- Automotive industry enterprises: Require automotive lenses for vehicle-mounted cameras.
- Consumer electronics & IoT companies: Need miniature lenses for drones, smart devices, and other products.
- Foreign trade traders & brand owners: Need a reliable supplier for OEM/ODM projects and bulk procurement of optical lenses.
High-Volume Lens Manufacturing
Key Optical Lens Parameters & Comparison
1. Core Parameters Buyers Must Pay Attention To
- Resolution (MP): Common specifications include 5MP, 12MP, and other megapixel grades, which determine the clarity of the lens imaging.
- Focal Length: Common values include 2.1mm, 3.6mm, 6mm, 12mm, 16mm, etc., which affects the field of view of the lens.
- Mount Type: The most common types are M12×0.5 (S-Mount), C-Mount (flange focal distance 17.526mm), and CS-Mount (flange focal distance 12.526mm).
- Aperture: Common values include F1.4, F2.0, F2.8, with options of fixed iris, DC auto iris, and P-Iris, which affects the light intake of the lens.
- Distortion: Low distortion lenses (<1%) are suitable for scenarios requiring high imaging accuracy, such as machine vision.
- IR Correction: Lenses with IR correction are compatible with day/night use, suitable for security surveillance cameras.
- Sensor Size: Common sizes include 1/2.5″, 1/2″, 1/3″, 2/3″, 3/4″, which needs to match the camera sensor.
2. Parameter Comparison Table of Mainstream Lens Types
Item | |||
|---|---|---|---|
Mount Specification | M12×0.5 thread | C-mount, flange focal distance 17.526mm | CS-mount, flange focal distance 12.526mm |
Typical Application | Mini cameras, PCB assembly, automotive, IoT devices | Machine vision, industrial cameras, ITS traffic monitoring | CCTV, IP camera, network camera, day/night security |
Key Features | Small size, miniature, low cost, easy to assemble | High stability, high resolution, suitable for industrial environments | IR corrected, multi-coating, fixed/vari-focal, auto iris options |
TOWIN Product Range | Low Distortion, Fisheye, Wide Angle, Low Light Sensitive, Pinhole, Automotive lenses | MV lens, FA lens, industrial lens, ITS traffic lens | High resolution megapixel lenses, manual/DC auto/P-Iris types |
3. Simple Explanation of Parameters
- If you need a small lens for PCB cameras or IoT devices: Choose M12/S-Mount lenses.
- If you need lenses for industrial machine vision or traffic monitoring: Choose C-Mount lenses.
- If you need lenses for security surveillance (especially day/night use): Choose CS-Mount lenses with IR correction.
How to Select the Right Optical Lens Supplier & Product
1. How to Choose a Reliable Optical Lens Supplier
- Professional R&D capability: The supplier should have the ability to provide custom lens design, not just sell standard products.
- Complete product line: The supplier should cover various types and specifications of lenses to meet your current and future needs.
- Fast response and delivery: The supplier should respond to your inquiries in a timely manner and ensure fast shipping of products.
- Stable quality control: The supplier should have strict quality inspection processes to ensure the stability of lens performance.
- Global service experience: The supplier should have export experience and be able to provide professional after-sales and technical support to global buyers.
2. Product Selection Steps
- Confirm the sensor size and resolution of your camera (e.g., 1/2″ 5MP), which determines the matching lens specifications.
- Confirm the mount type of your camera (M12 / C / CS) to ensure the lens is compatible with the camera.
- Confirm the required focal length and field of view based on your application scenario.
- Confirm the aperture and lighting environment.
- Confirm distortion requirements.
- Confirm whether IR correction is needed.
- Confirm the order volume and delivery time to ensure the supplier can meet your project schedule.
3. TOWIN Matching Solutions
Solution Type | Features | Suitable for | Delivery Time |
|---|---|---|---|
Standard Lens | Ready in stock, complete specifications, easy to select | Small-batch procurement, urgent orders | Fast shipping after order confirmation |
Custom Lens | Professional design, sample testing, mass production | OEM/ODM projects, special application requirements | Efficient timeline based on design complexity |
Global Service | Email support, technical drawings, quick quote | Overseas buyers, foreign trade traders | 24-hour response to inquiries |
FAQs
Q: What’s the difference between M12, C-mount, and CS-mount lenses?
A: The main difference lies in the mount specification and flange focal distance. M12/S-Mount (M12×0.5 thread) is small and suitable for miniature cameras; C-Mount has a flange focal distance of 17.526mm, suitable for industrial use; CS-Mount (12.526mm flange) is compatible with CS-mount cameras and widely used in surveillance.
Q: Do you support custom optical lens design?
A: Yes, as a professional optical lens supplier, TOWIN has a professional R&D team that can provide custom design services according to your specific requirements, including focal length, resolution, and mount type.
Q: What’s your MOQ and lead time for mass production?
A: Our MOQ is flexible and can be adjusted according to your needs. For standard lenses, we have stock and can ship quickly; for custom lenses, the lead time depends on the design complexity, and we will provide a clear timeline after confirming the requirements.
Q: Are your lenses IR corrected for day/night use?
A: Yes, our CS-Mount lenses adopt multi-coating technology and are IR corrected, which are perfect for day/night security cameras. We also provide IR-corrected options for other lens types according to needs.
Q: Can you provide technical drawings and test reports?
A: Yes, we can provide detailed technical drawings, performance test reports, and quality inspection reports for all our lenses to ensure you understand the product performance clearly.
Q: Do you offer 5MP/8MP/12MP high-resolution lenses?
A: Yes, we have a complete range of high-resolution lenses, including 5MP, 8MP, 12MP, and other specifications, covering M12, C-Mount, and CS-Mount types, suitable for various high-definition imaging scenarios.
Optical Lens
Why TOWIN Is Your Trusted Optical Lens Supplier
Among numerous optical lens suppliers, TOWIN stands out with its professional strength and intimate service. Here are the core advantages that make us your trusted partner:
- Professional Strength: We have years of experience in optical lens design and manufacturing, with a professional R&D team and advanced production equipment to ensure product quality and technical competitiveness.
- Complete Product Line: We cover almost all types of optical lenses, including M12/S-Mount, C-Mount, CS-Mount, Low Distortion, Fisheye, Wide Angle, Low Light Sensitive, Pinhole, and Automotive lenses, meeting all your needs.
- Easy to Select: Our website has clear product classifications, and you can easily find the lenses you need; our team also provides one-on-one consultation to help you select the most suitable products quickly.
- Fast Delivery: Standard lenses are in stock, ensuring fast shipping after order confirmation; for custom projects, we optimize the design and production process to shorten the lead time as much as possible.
- Global Service: We have rich export experience, providing professional services to global buyers, including quick quote, technical support, after-sales service, and timely response to all inquiries within 24 hours.
Conclusion
Choosing a reliable optical lens supplier directly affects your product performance, procurement cost, and project schedule. As a professional optical lens supplier in China, TOWIN adheres to the concepts of Professional, All, Easy, and Fast, providing one-stop optical lens solutions from design, manufacturing to fast delivery.
Whether you need standard lenses for urgent orders or custom lenses for special projects, TOWIN can meet your needs with professional strength and intimate service. We are committed to becoming your long-term trusted partner, helping you simplify procurement processes, reduce costs, and improve project efficiency.
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