The LWIR Fixed‑Focus Athermal Lens boasts outstanding thermal optical stability. Unlike conventional lenses that need refocusing under temperature changes, it adopts specialty optical materials and mechanical compensation to maintain constant image sharpness.
Made from high‑purity germanium or chalcogenide glass with multi‑layer anti‑reflective coatings, it achieves maximum transmittance in the 8–14 μm band. Its sealed design tolerates extreme environments. Suitable for remote‑site perimeter security and autonomous vehicle thermal vision, it delivers set‑and‑forget reliability for mission‑critical applications.
Technical Specification
Part of the parameters is provided for reference only. For further information and full specifications, please consult our sales representatives.
|
LWIR Cooled Focusing Lens |
||||||
|
Focal Length |
F# |
Spectral Range |
FOV(H×V) |
Detector |
Zoom Range |
Zoom type |
|
20mm |
2.0 |
7.7~9.3μm |
27°×21.7° |
640*512,15μm |
5m~∞ |
Manual |
|
110mm |
2.0 |
7.7~9.3um |
5.°×4.° |
640*512,15μm |
100m~∞ |
Electric |
|
120mm |
2.0 |
7.7~9.3μm |
4.58°×3.66° |
640*512,15μm |
10m~∞ |
Manual |
|
180mm |
2.0 |
7.7~9.3μm |
2.9°×2.3° |
640*512,15μm |
10m~∞ |
Electric |
|
LWIR Uncooled Athermalized Lens |
||||||
|
Focal Length |
F# |
Spectral Range |
FOV(H×V) |
Detector |
Zoom Range |
Zoom type |
|
35mm |
1.2 |
8~12μm |
12.52°×10.03° |
640*512,12μm |
/ |
Athermal |
|
48mm |
1.2 |
8~12μm |
18.18×14.58° |
1280*1024,12μm |
150m~∞ |
Athermal |
|
80mm |
1 |
8~12μm |
10.97°×8.78° |
1280*1024,12μm |
150m~∞ |
Athermal+ focusing |
Application Scenarios
- Perimeter Security: 24/7 thermal monitoring of high-value assets, borders, and sensitive infrastructure.
- Industrial Predictive Maintenance: Detecting hot spots in electrical grids, machinery, and chemical pipelines.
- Automotive ADAS: Enhancing driver safety through pedestrian and animal detection in total darkness or glare.
- Firefighting & Rescue: Identifying heat signatures through dense smoke and locating missing persons in low-visibility environments.
- UAV Thermal Imaging: Lightweight payloads for agricultural monitoring, search and rescue (SAR), and mapping.
Key Functions & Advantages
- Maintenance-Free Focus: Eliminates the need for motorized focus units, reducing system complexity, weight, and power consumption.
- Exceptional Image Clarity: High MTF (Modulation Transfer Function) ensures that the full resolution of the sensor is utilized.
- All-Weather Performance: Resistant to humidity, sea air, and dust; ideal for maritime and desert deployments.
- Instant Start-up: Because no calibration or refocusing is required, the lens is ready for operation the moment the camera is powered on.
- Flexible Mounting: Multiple focal length and mounting thread options allow for rapid integration with almost any uncooled thermal core.
Product Series & Availability
● Precision Machining Capability
Capable of machining shaft parts, rotary table parts and complex structural parts. Complete and reliable process assurance measures, as well as sophisticated processing and inspection methods are available for precision mechanical manufacturing.
● Precision Optical Manufacturing Capability
Capable of manufacturing high-precision lenses for visible light and infrared applications, high-precision prisms and high-precision aspherical components. The company can mass-produce various high-precision optical components including spherical, planar, prismatic, cylindrical and aspherical elements covering the visible to infrared wavebands.
● Precision Opto-Mechanical Assembly Capability
Capable of high-precision shafting assembly and precision optical lens system assembly for visible light and infrared applications. Possesses capabilities in system development, optical testing and integrated alignment.
Hot Tags: lwir athermal lens, China lwir athermal lens manufacturers, factory
