Athermalized Micro LWIR Lens 3.6mm F/1.0 Description
Athermalized Micro LWIR Lens 3.6mm F/1.0 is a compact, high-performance lens designed for micro thermal imaging systems, offering excellent infrared imaging capabilities across a wide temperature range. Its athermalized design ensures that the lens maintains optimal focus and image clarity regardless of temperature fluctuations, making it ideal for use in dynamic environments where temperature changes are common. The 3.6mm focal length provides a balanced field of view, offering both broad coverage and detailed thermal imaging. With an F/1.0 aperture, the lens allows for enhanced light gathering, improving its performance in low-light and challenging conditions. This lens is ideal for applications in small handheld thermal cameras, drones, security systems, automotive night vision, and portable infrared devices, where both compact size and high-quality thermal imaging are required. Its robust construction and superior optical design make it well-suited for a wide range of professional and industrial applications.
Athermalized Micro LWIR Lens 3.6mm F/1.0 Specifications

HFOV
|
160x120
|
256x192
|
320x256
|
384x288
|
17μm
|
41.4
|
-
|
-
|
-
|
12μm
|
29.9
|
46.2
|
-
|
-
|
Optical Properties
Focal Length
|
3.6mm
|
F/#
|
1.0
|
Average Transmission
|
>96%
|
Back Focal Length
|
4.95mm
|
Environmental Durability
Operating Temperature
|
-40℃ to +80℃
|
Storage Temperature
|
-50℃ to +80℃
|
Protection Rating
|
IR67
|
First Surface Coating
|
AR
|
Mechanical Properties
Focusing Range
|
0.1m~∞
|
Back Working Distance
|
5mm
|
Detector Interface Size
|
M9 x 0.25g
|
Overall Dimensions (mm)
|
Φ9 x 3.1
|
Weight
|
1g
|
*For drawing, please contact us.
Athermalized Micro LWIR Lens 3.6mm F/1.0 Application
- Handheld Thermal Cameras:
Used in compact, portable thermal imaging devices for personal, industrial, or security use, offering high-quality thermal vision in a small form factor.
- Drone-mounted Thermal Systems:
Ideal for small drones requiring lightweight and high-performance thermal imaging for aerial surveillance, reconnaissance, and monitoring applications.
- Security and Surveillance Systems:
Integrated into compact thermal cameras for surveillance applications, providing clear thermal imaging for security in both indoor and outdoor environments.
Used in advanced driver-assistance systems (ADAS) for automotive night vision, helping drivers detect obstacles, pedestrians, and animals in low-light conditions.
Athermalized Micro LWIR Lens 3.6mm F/1.0 Packing
Our Athermalized Micro LWIR Lens 3.6mm F/1.0 is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
FAQs
Q1: What is an athermalized LWIR lens?
An athermalized LWIR lens is designed to maintain its optical performance and focus despite temperature changes. This means that the lens will not experience focus shifts or image distortion as environmental temperatures fluctuate, providing consistent imaging quality in a variety of conditions.
Q2: What are the main applications of this lens?
The Athermalized Micro LWIR Lens 3.6mm F/1.0 is used in thermal cameras, security surveillance, firefighting equipment, industrial inspections, military and defense applications, search and rescue operations, automotive night vision systems, aerial surveillance (drones), building and infrastructure inspections, and environmental monitoring.
Q3: Can this lens be used for both indoor and outdoor applications?
Yes, the Athermalized Micro LWIR Lens 3.6mm F/1.0 is designed to perform reliably in both indoor and outdoor environments, making it versatile for a wide range of applications in various settings, including outdoor surveillance and industrial inspections.
Specification

HFOV
|
160x120
|
256x192
|
320x256
|
384x288
|
17μm
|
41.4
|
-
|
-
|
-
|
12μm
|
29.9
|
46.2
|
-
|
-
|
Optical Properties
Focal Length
|
3.6mm
|
F/#
|
1.0
|
Average Transmission
|
>96%
|
Back Focal Length
|
4.95mm
|
Environmental Durability
Operating Temperature
|
-40℃ to +80℃
|
Storage Temperature
|
-50℃ to +80℃
|
Protection Rating
|
IR67
|
First Surface Coating
|
AR
|
Mechanical Properties
Focusing Range
|
0.1m~∞
|
Back Working Distance
|
5mm
|
Detector Interface Size
|
M9 x 0.25g
|
Overall Dimensions (mm)
|
Φ9 x 3.1
|
Weight
|
1g
|
*For drawing, please contact us.