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IR6421 Athermalized LWIR Lens 2.1mm F/1.3

Catalog No
IR6421
Focal Length
2.1mm
F/#
1.3
Operating Temperature
-40℃ to +80℃

The Athermalized LWIR Lens 2.1mm F/1.3 is precision-engineered for high-performance long-wave infrared (LWIR) imaging applications. Stanford Optics is dedicated to advancing the research, development, and manufacturing of mid-wave infrared (MWIR) and long-wave infrared (LWIR) optical systems.

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Athermalized LWIR Lens 2.1mm F/1.3
Athermalized LWIR Lens 2.1mm F/1.3
Description
Specifications
Reviews

Athermalized LWIR Lens 2.1mm F/1.3 Description

The Athermalized LWIR Lens 2.1mm F/1.3 is expertly designed for high-performance long-wave infrared (LWIR) imaging applications. With its compact 2.1mm focal length and wide F/1.3 aperture, the lens offers exceptional light transmission and improved sensitivity, ensuring crisp and detailed thermal images even in low-light environments. Its athermalized design compensates for temperature-induced optical changes, ensuring consistent focus and image quality across a wide range of environmental temperatures without requiring frequent recalibration.

This lens is ideal for compact thermal imaging cameras, advanced surveillance systems, industrial inspection tools, and environmental monitoring equipment. It delivers reliable, stable performance, significantly enhancing the accuracy and efficiency of thermal detection and analysis. As such, it proves to be an essential component for both commercial and military applications, optimizing thermal imaging capabilities in various challenging conditions.

Athermalized LWIR Lens 2.1mm F/1.3 Application

The Athermalized LWIR Lens 2.1mm F/1.3 is highly effective across several key applications:

In each case, the Athermalized LWIR Lens significantly improves the accuracy, stability, and efficiency of thermal detection and analysis, making it indispensable for various commercial and industrial applications.

Athermalized LWIR Lens 2.1mm F/1.3 Packing

Our Athermalized LWIR Lens 2.1mm F/1.3 is carefully handled during storage and transportation to preserve the quality of our product in its original condition.

Specifications

HFOV

160x120

256x192

320x256

384x288

17μm

65.9

-

-

-

12μm

49.1

72.4

-

-

Optical Properties

Focal Length (mm)

2.1mm

F/#

1.3

Average Transmission

>92%

Back Focal Length

4.25mm

Environmental Durability

Operating Temperature

-40℃ to +80℃

Storage Temperature

-50℃ to +80℃

Protection Rating

IR67

First Surface Coating

AR

Mechanical Properties

Focusing Range

0.3m~∞

Back Working Distance

4.2mm

Detector Interface Size

M17 x 0.5-6g

Overall Dimensions (mm)

Φ23.3 x 13.5

Weight

8g

*For drawing, please contact us.

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FAQ
What is an athermalized IR lens?

An athermalized IR lens is designed to maintain focus across varying temperatures without needing manual adjustment. It automatically compensates for thermal expansion and contraction, which can affect image clarity in infrared imaging applications.

How does an athermalized IR lens work?

It uses materials with differing thermal expansion rates or unique mechanical designs to counteract temperature-induced focal shifts. This allows it to remain in focus over a wide temperature range.

Why is temperature stability important in IR lenses?

IR lenses are often used in applications with significant temperature fluctuations. Temperature changes can cause the expansion or contraction of lens materials, altering the focus. A thermalized lenses maintain clarity and focus automatically in these conditions.

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