Shenzhen Zhongke Nanguang Technology Co., Ltd.
| TTL | 15 Plus Minus 0.3mm |
| Waterproof Level | IP68 |
| Field of View | 35 Degree Diagonal |
| Delivery Time | Sample Within 7 Days |
| Supply Ability | 100K Pcs/month |
| FOV | H: 30.8° V: 17.6° D: 35° |
| Flange Back Focal Length | 1.88mm |
| TV Distortion | -1.30 Percent |
| Focus Range | 0.2M To Infinity |
| Focal Length | 13.75mm |
| F/No | F3.5 |
| Lens Structure | 5G+IR |
| Max Image Circle | 9.0mm |
| Mount | M12 |
| Operating Temperature | -40 to 85 Degree |
| CRA | Less Than 10.9 Degree |
| Sensor Compatibility | 1/1.8 Inch Sensor |
| Application | Face Recognition, Security Surveillance, License Plate Recognition |
| Focal-Length | 13.75mm |
| Waterproof Grade | IP68 |
| Model Number | OKS-9050M12-B23 |
| Certification | CE,ISO |
| Place of Origin | CHINA |
| Brand Name | OKSEE |
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Product Specification
| TTL | 15 Plus Minus 0.3mm | Waterproof Level | IP68 |
| Field of View | 35 Degree Diagonal | Delivery Time | Sample Within 7 Days |
| Supply Ability | 100K Pcs/month | FOV | H: 30.8° V: 17.6° D: 35° |
| Flange Back Focal Length | 1.88mm | TV Distortion | -1.30 Percent |
| Focus Range | 0.2M To Infinity | Focal Length | 13.75mm |
| F/No | F3.5 | Lens Structure | 5G+IR |
| Max Image Circle | 9.0mm | Mount | M12 |
| Operating Temperature | -40 to 85 Degree | CRA | Less Than 10.9 Degree |
| Sensor Compatibility | 1/1.8 Inch Sensor | Application | Face Recognition, Security Surveillance, License Plate Recognition |
| Focal-Length | 13.75mm | Waterproof Grade | IP68 |
| Model Number | OKS-9050M12-B23 | Certification | CE,ISO |
| Place of Origin | CHINA | Brand Name | OKSEE |
| High Light | 13.75mm Telephoto M12 Lens ，Low Distortion Face Recognition ，Long Range Surveillance Camera | ||
OKS‑9050M12‑B23 is compact fixed‑focus M12 industrial optical lens designed for 1/1.8” image sensors. Adopting 5‑glass optical structure with IR coating, it features low TV distortion ‑1.30%, small CRA＜10.9°, stable imaging performance from‑40℃ to +85℃. Miniature TTL only 15mm, ideal for space‑limited embedded machine‑vision & surveillance camera modules.
Low TV Distortion ‑1.30% Low distortion performance reduces image warping, ensures accurate measurement for industrial inspection tasks.
✅ Strict CRA Control ＜10.9° Well‑matched chief ray angle, effectively eliminate vignetting, dark corners and color shift at image edges.
✅ Compact M12*0.5 Mini Size Total length only 15mm, front diameter Ø6.5mm, perfect for compact camera module integration.
✅ Wide Working Temperature‑40℃~+85℃ Industrial grade design, no focal shift under extreme cold & hot environment.
✅ 5G+IR Optical Structure Multi‑layer anti‑reflection IR coating, improve light transmittance, support day‑night imaging.
| Focal Length | 13.75mm |
| F No | F3.5 |
| FOV (Field of View) | 1/1.8" H: 30.8° V: 17.6° D: 35° |
| TTL | 15±0.3 Mm |
| MAX Image Circle | 9.0mm |
| CRA | <10.9° |
| Focus Range | 0.2M To Infinity |
| Waterproof Level | IP68 |
| TV Distortion | -1.30% |
| Flange Back Focal Length | 1.88mm |
| Mount | M12 |
| Operating Temperature | -40°t~+85°t |
Custom Lens Design: We customize focal length, aperture, FOV, lens structure, distortion, CRA, filter, coating and image circle to match mainstream CMOS sensors for surround view and surveillance cameras.
Mechanical Structure Customization: We customize barrel TTL, front diameter, waterproof grade, mount holder, back focal length, focus range and wide-temperature resistant housing.
OEM Lens Customization: We offer laser logo engraving, customized barrel colors and exclusive private model codes for OEM branding.
Packaging Customization: We customize inner bags, export cartons and branded color boxes with multi-language instructions.
Contact us for custom optical lens requirements, MOQ details and free sample testing.
>Lens Drawing:
Our Security Camera Lens is carefully packaged to ensure it arrives in perfect condition. Each lens is securely placed in a protective foam insert within a sturdy box to prevent any damage during transit. The packaging is designed to shield the lens from dust, moisture, and impact.
For shipping, we use reliable carriers with tracking options to provide you with real-time updates on your order status. We offer various shipping methods to accommodate your needs, including standard, expedited, and express delivery. Each package is handled with care to guarantee timely and safe delivery to your doorstep.
Company Details
Year Established:
2008
Employee Number:
380~400
Ecer Certification：
Verified Supplier
Shenzhen Zhongke NanGuang Technology Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of optical lens products. Its subsidiary, oksee, was established in 2008. With nearly two decades of experience in researching and producing optical lenses, the... Shenzhen Zhongke NanGuang Technology Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of optical lens products. Its subsidiary, oksee, was established in 2008. With nearly two decades of experience in researching and producing optical lenses, the...
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