Description
Introducing our premium 4.2mm F2.8 M9 miniature Micro Pinhole CCTV Lens, masterfully engineered for high-concealment covert surveillance and zero-clearance electronic embedding. Breaking traditional design limits, this specialized pinhole board lens combines a narrower 80° diagonal field of view with an ultra-slim M9x0.5 micro mount and a record-breaking 10.5mm Total Track Length (TTL). By focusing the megapixel resolution entirely on a tighter target frame, it captures exceptionally flat, distortion-free imagery through microscopic needle-holes, making it the premier choice for law-enforcement micro wearables, secure cash boxes, and covert biometric safekeeping keys.
Product Highlights
- Ultra-Narrow M9 Micro Architecture: Built with a specialized M9x0.5 thread pitch that slims down the entire lens barrel diameter by 25% compared to standard M12 lenses, reducing the installation footprint to an absolute minimum.
- 4.2mm Long-Focal Target Zooming: Features a customized 4.2mm fixed focal length, which provides greater magnification and acts like an invisible mini-telescope to capture crisp details from further away.
- Zero-Distortion 80° Linear Perspectives: The tighter 80° diagonal F.O.V. drastically suppresses aggressive corner bending, providing linear, undistorted images optimized for AI facial recognition and plate logging.
- Record-Breaking 10.5mm Flat Profile: The hyper-compressed 10.5mm TTL optical length makes this lens exceptionally flat, effortlessly solving layout conflicts inside shallow product shells or metallic plates.
Technical Specifications
| Parameter | Specification |
|---|---|
| Image Format | 1/3″ |
| Focal Length | 4.2mm (Miniature Long-Focal Array) |
| Field of View (F.O.V.) | Diagonal 80° (Narrow & Concentrated) |
| Resolution | Megapixel (MP) |
| Aperture | F2.8 (Fixed Iris) |
| Mount Type | M9 X 0.5 (Micro-Miniature Board Mount) |
| Focus Control | Manual |
| Zoom Control | Fixed |
| Total Track Length (TTL) | 10.5 mm (Ultimate Ultra-Thin Footprint) |
| Minimum Object Distance (M.O.D.) | 0.2 m (Close-Up Macro Precision) |
This product is certified by RoHS and ISO9001 quality management system, supports third-party testing, and complies with EU and domestic security equipment access standards, ensuring reliable quality and full compliance.
Applications & Device Compatibility
Core Application Scenarios
This industrial-grade 4.2mm M9 Micro Pinhole CCTV Lens is custom-built for high-concealment tactical deployment, mobile asset protection, and compact industrial lens logging. Featuring a tight 80-degree diagonal framing, it operates as the premier optical sensor for law enforcement body-worn button cameras, handheld undercover investigative tools, and high-security lockboxes where traditional M12 lenses are physically too wide to embed. In highly specialized automated assembly lines and machine vision lens environments, its tiny M9 threaded profile and short 10.5mm thickness allow it to be embedded inside ultra-thin robot knuckles, compact internal sensor blocks, or vacuum inspection chambers, tracking delicate processes from a fixed distance through micro-holes without interfering with mechanical clearance paths.
Compatible Device List
- Perfectly optimized for specialized high-sensitivity 1/3-inch CMOS image sensors (including Sony, OmniVision, and SmartSens micro-sensor series).
- Direct fit for M9 micro hidden camera modules, wearable action DVR boards, and custom spy-gear button assemblies.
- Ideal for integration into custom industrial machine vision enclosures, miniature biometric gate control keypads, and luxury cash-drawers.
- Fully supports factory customization for dual-band pass filters (650nm IR cut / 850nm / 940nm IR pass) to facilitate true invisible infrared nighttime illumination.
“Designed for extreme micro-enclosure terminal security and long-focal discrete hidden surveillance applications.”
Frequently Asked Questions
Q: What is the benefit of a 4.2mm lens compared to a standard 3.7mm pinhole lens?
A: A standard 3.7mm pinhole lens offers a wider 70° horizontal frame, which can make far-off targets look small. This 4.2mm pinhole lens narrows the field of view, acting like a mini telephoto window. It pulls distant objects closer and concentrates the sensor’s pixels onto a smaller area, allowing you to capture sharper text or facial features from a greater distance.
A: A standard 3.7mm pinhole lens offers a wider 70° horizontal frame, which can make far-off targets look small. This 4.2mm pinhole lens narrows the field of view, acting like a mini telephoto window. It pulls distant objects closer and concentrates the sensor’s pixels onto a smaller area, allowing you to capture sharper text or facial features from a greater distance.
Q: Does the ultra-narrow M9 mount cause vignetting or dark corners on a 1/3″ sensor?
A: Not at all. Despite the compressed M9x0.5 mount and 10.5mm TTL, the internal refractive glass elements are highly calibrated to perfectly match the active area of 1/3″ image format sensors, ensuring uniform edge-to-edge brightness and high contrast.
A: Not at all. Despite the compressed M9x0.5 mount and 10.5mm TTL, the internal refractive glass elements are highly calibrated to perfectly match the active area of 1/3″ image format sensors, ensuring uniform edge-to-edge brightness and high contrast.
Q: Why is the 10.5mm TTL critical for embedded product designers?
A: With a Total Track Length (TTL) of just 10.5mm, this lens is incredibly flat. It means your engineering team can build ultra-thin product chassis, keeping the camera sensor module entirely flush with the outer shell, saving massive amounts of internal design space.
A: With a Total Track Length (TTL) of just 10.5mm, this lens is incredibly flat. It means your engineering team can build ultra-thin product chassis, keeping the camera sensor module entirely flush with the outer shell, saving massive amounts of internal design space.
Q: Is the focus on this M9 micro pinhole lens adjustable?
A: Yes. It features a manual focus mechanism. By rotating the lens within its thread on the M9 mount board, you can adjust the focus for targets ranging from 0.2 meters away to infinity, then lock it securely using an M9 retaining collar.
A: Yes. It features a manual focus mechanism. By rotating the lens within its thread on the M9 mount board, you can adjust the focus for targets ranging from 0.2 meters away to infinity, then lock it securely using an M9 retaining collar.
Q: Can we order this pinhole lens with built-in 940nm IR-pass filtering?
A: Yes, we offer extensive OEM/ODM customization. We can factory-install specific IR filters (such as 850nm or 940nm) to match your invisible infrared night-vision setups for true undercover operations.
A: Yes, we offer extensive OEM/ODM customization. We can factory-install specific IR filters (such as 850nm or 940nm) to match your invisible infrared night-vision setups for true undercover operations.
