

In the modern security field, the demand for concealed surveillance is growing at an unprecedented rate. The CCL13037PMP3 is a 3.7mm 1/3″ IR 3MP HD CCTV M12 mount pinhole lens specifically designed for covert hidden surveillance applications.
How can one obtain clear, high-quality images without being detected? The TOWIN 1/3″ 3.7mm CCTV M12 Pinhole Lens is a professional optical solution engineered specifically to solve this pain point. Designed exclusively for covert surveillance, it achieves an ultra-compact form factor without compromising on 3MP high-definition image quality and infrared night vision capabilities, making it the ultimate choice in the field of covert surveillance.
True Pinhole Design
The core of a pinhole lens lies in its special optical structure. It allows the camera to “see” outside through an extremely tiny aperture, while making it difficult for external observers to detect the lens’s existence.
3MP High-Definition Resolution
Supports sensor resolutions of up to 3 Megapixels (3MP). Compared to traditional VGA or 720P lenses, 3MP provides sharper image details and a wider dynamic range.
Infrared Night Vision
Features excellent infrared compatibility with optimized IR cut filters and optical path correction. Produces clear black-and-white images in complete darkness.
Standard M12 Interface
Adopts industry-standard M12 thread mount for easy installation on most board-level cameras and small camera housings without complex focusing tools.
| Parameter | Details |
| Model Number | CCL13037PMP3 |
| Focal Length | 3.7mm |
| Sensor Format | 1/3 inch (1/3″) |
| Resolution | 3 Megapixel (3MP HD) |
| Lens Type | Pinhole Lens / Covert Surveillance Lens |
| Mount Type | M12 Mount (S-Mount) |
| IR Function | Supported (IR 3MP) |
| Brand | TOWIN |
| Applicable Scenarios | Concealed Security, Covert Ops, Miniature Cameras |
Ultimate Discretion
Compact size allows hiding in highly inconspicuous locations like behind dark plastic covers, inside smoke detectors, or small wall holes.
Wide-Angle Field of View
3.7mm focal length with 1/3″ sensor provides wide angle ideal for monitoring entire rooms, doorways, or narrow corridors.
Cost-Effective Upgrade
Upgrade older 1/3″ sensor cameras to 3MP HD by simply replacing the lens instead of scrapping the entire device.
Surveillance Optimized
Specifically optimized for CCTV sensors with IR shift correction and relative illumination optimization for uniform brightness.
The CCL13037PMP3 1/3″ 3.7mm CCTV M12 pinhole lens is an excellent choice for covert surveillance applications. Its compact size, high-definition image quality, IR functionality, easy installation, and versatility make it a valuable asset in ensuring safety and security in various settings.
View Product Details & Download Spec Sheet
Need pricing? Want to compare models? Have bulk procurement needs? Contact our support team for professional consultation.
📩 info@towin-elec.com