Description
Introducing our ultra-compact 3.7mm F2.5 M9 miniature cone pinhole lens, masterfully engineered for extreme covert surveillance and zero-clearance electronic embedding. Breaking away from traditional bulky hardware, this specialized pinhole board lens is built with an ultra-narrow M9x0.5 micro mount and a record-breaking 10.5mm Total Track Length (TTL). Delivering a perfectly calibrated 70° horizontal field of view with minimal optical distortion, it shoots crystal-clear megapixel imagery through microscopic needle-holes, making it the ultimate selection for micro-wearable body cameras, ultra-slim intercoms, and high-security biometric safekeeping modules.
Product Highlights
- Ultra-Narrow M9 Micro Mount: 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.
- Record-Breaking 10.5mm TTL: The hyper-compressed 10.5mm optical length makes this the shortest and flattest lens in our catalog, effortlessly solving layout conflicts inside shallow metallic shells or plastic faceplates.
- Low-Distortion 70° Linear View: The calibrated 70° horizontal F.O.V. provides a highly natural, proportional human visual perspective, entirely bypassing aggressive corner bowing to satisfy advanced facial recognition software.
- Micro-Cone Needle-Nose Tip: Designed with an ultra-thin tapered front end, allowing the bulk of the optical chassis to sit invisibly behind a tiny drill hole for premium hidden surveillance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Image Format | 1/3″ |
| Focal Length | 3.7mm (Ultra-Miniature Pinhole) |
| Field of View (F.O.V.) | Diagonal 92° / Horizontal 70° / Vertical 55° |
| Resolution | Megapixel (MP) |
| Aperture | F2.5 (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 Profile) |
| Minimum Object Distance (M.O.D.) | 0.2 m (Close-Up Macro Alignment) |
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 3.7mm M9 micro pinhole lens is custom-built for high-concealment tactical gear, mobile asset protection, and compact industrial lens monitoring. Featuring a highly natural 70-degree horizontal framing, it operates as the premier optical sensor for law enforcement wearable button cameras, handheld undercover investigative tools, and high-security lockboxes where standard 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, logging critical video through micro-holes without interrupting any high-speed mechanical motion.
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 low-distortion hidden surveillance applications.”
Frequently Asked Questions
Q: What is the benefit of an M9 mount pinhole lens compared to a standard M12 pinhole lens?
A: The M9x0.5 mount reduces the physical diameter of the lens barrel significantly compared to standard M12 lenses. This allows hardware engineers to use much smaller camera lens holders and tighter PCB layouts, meaning the entire camera module can be hidden inside spaces that are completely inaccessible to traditional M12 hardware.
A: The M9x0.5 mount reduces the physical diameter of the lens barrel significantly compared to standard M12 lenses. This allows hardware engineers to use much smaller camera lens holders and tighter PCB layouts, meaning the entire camera module can be hidden inside spaces that are completely inaccessible to traditional M12 hardware.
Q: Does this lens utilize an optical glass or plastic lens structure?
A: We use 100% high-grade multi-coated optical glass elements paired with an all-metal housing. Despite its micro size, this premium build prevents thermal focus drift, ensuring the image remains perfectly sharp and crystal clear even when trapped inside hot electronic enclosures.
A: We use 100% high-grade multi-coated optical glass elements paired with an all-metal housing. Despite its micro size, this premium build prevents thermal focus drift, ensuring the image remains perfectly sharp and crystal clear even when trapped inside hot electronic enclosures.
Q: Why is the 10.5mm TTL important 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.
