Description
1/3″ 4.0mm F2.0 M12 Wide Angle Lens
Optimize your digital imaging hardware with this professional 1/3″ 3MP 4.0mm M12 wide-angle lens. Engineered to deliver crisp 3-megapixel resolution, this lens features a high-performance optical structure with an integrated IRCF (Infrared Cut Filter) and a bright F2.0 aperture to guarantee sharp text rendering and excellent color fidelity. Boasting a 97° diagonal field of view and a well-controlled geometric distortion rating of <-18%, it strikes the perfect balance between broad scene coverage and realistic image proportions, making it an ideal choice for advanced security surveillance, smart terminals, and industrial machine vision systems.
Key Product Highlights
- 3MP High-Definition Clarity: Precision-calibrated optics perfectly resolve fine details on 3-megapixel image sensors, delivering sharp, edge-to-edge contrast without blurring.
- 97° Low-Distortion Wide View: Captures a spacious overview (70°H / 52°V) while restricting geometric distortion to <-18%, keeping horizons and straight lines natural compared to fish-eye lenses.
- Bright F2.0 Large Aperture: The large fixed F2.0 iris maximizes light throughput onto the sensor, ensuring bright, low-noise imagery and clean video streams in dim or low-light indoor environments.
- Built-in IR Cut Filter (IRCF): Features an integrated IRCF layer that accurately blocks ambient infrared light during daytime operations, preventing color shifting and ensuring vibrant, true-to-life images.
- Standard M12 Mechanical Mount: Designed with a standard M12x0.5 thread and a stable 7.5mm Back Focal Length (B.F.L.), allowing seamless low-profile integration into space-constrained housings.
Technical Specifications
| Parameter | Specification |
|---|---|
| Image Format | 1/3″ |
| Focal Length | 4.0 mm |
| Field of View (F.O.V.) | 97°(D) / 70°(H) / 52°(V) |
| Resolution | 3 Megapixel (3 MP) |
| Distortion | < -18% |
| Aperture (F/#) | F2.0 |
| Mount | M12 |
| Iris Type | Fixed |
| Focus Type | Manual (Adjustable during assembly) |
| Zoom Type | Fixed |
| Back Focal Length (B.F.L.) | 7.5 mm |
| Optical Structure | Premium multi-coated elements with integrated IRCF |
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 3MP M12 low-distortion lens is purpose-built for visual applications requiring wide-angle perspectives without geometric warping. It serves as an ideal optical component for AI facial recognition gates, smart video doorbells, and office attendance terminals, where capturing human features linearly is critical for deep-learning verification algorithms. Thanks to its balanced 4.0mm focal length and <-18% distortion, it excels within commercial smart parcel locker scanners, automated banking ATM kiosks, and medical inspection pods where barcode scanning or close-range text mapping is required. Additionally, it offers highly stable performance in standard retail indoor dome cameras and warehouse conveyor monitoring networks.
Compatible Device List
- Sensors: Natively optimized for standard 1/3″ format CMOS image sensors (e.g., Sony, Onsemi, OmniVision series) and backward compatible with 1/4″ vision arrays.
- Smart Security Hardware: Integrates seamlessly into Hikvision and Dahua network dome cameras, bullet surveillance systems, and Tuya-based enterprise IoT appliances.
- Scanners & Kiosks: Fits self-service checkout terminals, identity verification stations, passport readers, and desktop document capture cameras.
- Embedded AI Hardware: Perfectly compatible with standard M12 board holders on Raspberry Pi camera platforms, Jetson Nano visual toolkits, and specialized industrial USB/MIPI camera modules.
“Designed for high-accuracy low-distortion surveillance and smart kiosk terminal applications.”
Frequently Asked Questions
- Q: What are the main benefits of a <-18% distortion rating on a wide-angle lens?
- A: For a lens with a wide 97° diagonal view, controlling distortion below 18% is a major optical benefit. This means straight lines in your environment (like walls, doors, or text borders) stay straight on screen, vastly improving facial recognition and OCR accuracy without requiring digital software dewarping.
- Q: Can this lens be utilized for night-vision recording?
- A: Yes. The bright F2.0 aperture allows rich light transmission. When your camera module is paired with external infrared (IR) LED illuminators, the lens provides crisp, low-noise nighttime imaging.
- Q: Is this 1/3″ lens compatible with a larger 1/2.7″ sensor?
- A: No, it is not recommended. Placing a lens designed for a 1/3″ format onto a larger 1/2.7″ sensor will cause vignetting, resulting in dark, blurred corners or a circular frame around your video. It is best used on 1/3″ or smaller sensor chips.
- Q: What is the purpose of the built-in fixed IRCF?
- A: The integrated IR Cut Filter (IRCF) filters out infrared wavelengths during daylight hours. This prevents the video stream from developing a pink tint or washed-out contrast, ensuring vibrant and natural colors during regular daytime operation.
- Q: How do we calibrate the focus on this manual focus lens?
- A: Focus is set manually during your camera module’s assembly phase. The assembly technician screws the lens into the M12 thread block while checking a live reference monitor. Once crisp focus at your target distance is established, it is locked using a locking ring or a drop of optical adhesive.
