LWIR Lens for Cooled Camera
As a leading manufacturer in the infrared optics field, Beijing IRLENS Optoelectronic co., Ltd is dedicated to providing high-quality, reliable infrared lenses that meet the demands of various complex applications.
IRLENS designs and manufactures high-performance LWIR lenses for cooled thermal imaging cameras used in long-range surveillance, industrial inspection, and EO/IR imaging systems. These infrared lenses are optimized for 8–12μm long-wave infrared detectors and deliver stable imaging performance under harsh and demanding environments.
Our cooled LWIR lens series covers focal lengths from 19mm wide-angle to 160mm long-range configurations, supporting both manual focus and motorized control designs. The product line is widely adopted by OEM thermal camera manufacturers and system integrators for security, defense, and industrial applications.
The LWIR cooled infrared lens series is designed for high-performance thermal imaging systems requiring stable imaging quality, long detection distance, and reliable operation in extreme environments.
This product line supports:
8–12μm LWIR thermal detectors
640×512 and 1280×1024 infrared imaging systems
High-sensitivity cooled detector integration
OEM and system-level customization
These lenses are engineered for integration into advanced thermal imaging platforms used in surveillance, inspection, and EO/IR systems.
| Product Type | Focal Length | Viewing Angle / Range | Focus Type | Key Advantages | Typical Applications |
|---|---|---|---|---|---|
| Wide-Angle LWIR Lens | 19mm | Wide field of view / short-range | Manual Focus | Wide-area scanning, low maintenance, stable imaging | Perimeter security, industrial inspection, facility monitoring |
| Standard LWIR Lens | 50mm | Balanced FOV & detection range | Manual Focus | Best all-round performance, OEM-friendly, stable long-term operation | Security surveillance, industrial monitoring, general thermal imaging systems |
| Medium Telephoto LWIR Lens | 100mm | Medium to long-range detection | Manual / Motorized | Enhanced target recognition, flexible control options, higher precision | Border surveillance, EO/IR systems, mobile monitoring platforms |
| Long-Range LWIR Lens | 160mm | Long-distance narrow FOV | Motorized | High-precision long-range detection, remote control capability, high stability | Maritime surveillance, defense systems, long-range tracking |
The LWIR cooled lens series is developed with advanced optical engineering and precision manufacturing techniques to ensure stable performance in demanding environments.
High transmission coating optimized for 8–12μm band
Low distortion imaging design
High MTF stability across temperature range
Athermalized structure for temperature stability
Precision focusing mechanisms (manual / motorized)
Rugged housing for harsh environments
Compatible with major cooled LWIR detectors
Standardized mechanical interfaces for OEM integration
Flexible customization for system requirements
Our LWIR lenses find widespread use across multiple industries, including but not limited to:
Military & Defense: Used for target acquisition, surveillance, and threat detection, offering superior night vision and camouflage penetration capabilities.
Homeland Security & Law Enforcement: Effective for border monitoring, intruder detection, and supporting search and rescue operations.
Scientific Research & Industrial Applications: Applied in process monitoring, early fire detection, and non-destructive testing.
Medical Imaging: Utilized for disease diagnosis and temperature mapping, capturing subtle temperature variations accurately.
View More
Classification
Contact Us
We have a professional after-sales team, always focuses on customer needs, and provides a full range of efficient services. It is easy to solve the problem for manufacturing company.
Contact Us Now!Application Scenario
In the aerospace field, infrared lenses play an indispensable role. Airborne night vision is one of its important applications. In addition, in satellite remote sensing, infrared lenses can penetrate clouds and obtain information such as surface temperature and vegetation cover, contributing to agricultural monitoring, geological exploration, and more. It also can detect the infrared radiation of celestial bodies like asteroids and comets.
View More
Infrared lens can operate in low-light or even complete darkness, using the infrared radiation emitted by objects for imaging. Moreover, they are not affected by severe weather such as heavy rain and thick fog, and can penetrate these obstacles to capture targets, ensuring the stability of monitoring, greatly enhancing the reliability and comprehensiveness of security monitoring.
View More
Since different materials and components in industrial settings have distinct infrared emission characteristics, these lenses enable the detection of thermal anomalies. In the manufacturing of mechanical parts, infrared lenses can detect areas with abnormal heat distribution during the production process, helping to ensure product quality and prevent defects.
View More
At the fire scene, infrared lenses can penetrate smoke and flames and clearly display the location of trapped persons, the direction of fire spread, and the ignition point. This helps firefighters quickly formulate rescue plans, improve search and rescue efficiency, and reduce casualties and property losses. In addition, it can also be used for fire hazard investigation to discover potential fire risks such as overheating of electrical equipment and accumulation of flammable materials in advance.
View More
Infrared lenses are the key components in gas detection instruments, enabling the precise identification and quantification of various industrial gases. Many industrial gases have unique absorption characteristics in the infrared spectrum.
View More
These lenses are designed to capture infrared radiation, which is invisible to the human eye but emitted by objects based on their heat signatures. They focus this infrared light onto an image sensor, converting it into a visible image that can be displayed on a monitor inside the vehicle. This enables drivers to perceive potential obstacles on the road much earlier than with normal vision, providing them with more reaction time and significantly enhancing driving safety in low-light conditions.
View MoreHot-Sale Product
