
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:
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.
Optical lenses are widely used in various industries, and the following groups are the main users of a professional optical lens supplier:

High-Volume Lens Manufacturing
1. Core Parameters Buyers Must Pay Attention To
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
1. How to Choose a Reliable Optical Lens Supplier
2. Product Selection Steps
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 |
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
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:
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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