Beijing Soske Technology Development Co., Ltd. 北京索斯克科技开发有限公司

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Mid-wave infrared lens, 40–825 mm

Current model: MWIR ODEM825 (40-825 F4.0)

It is a continuous zoom lens specifically designed for mid-wave infrared thermal imaging systems, suitable for high-precision, environmentally robust applications such as long-range observation, security surveillance, and industrial inspection. The MWIR ODEM825 (40–825 mm, F4.0), with its ultra-long focal length, high sensitivity, and strong environmental adaptability, is an ideal choice for long-range thermal imaging. Whether in security monitoring, industrial inspection, or military reconnaissance, its performance meets the demands of precise target identification and rapid response in complex scenarios. When selecting a lens, it is essential to evaluate the compatibility between the lens and the detector, taking into account the specific application’s required detection range, environmental conditions, and system integration requirements.

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Market price

It is a continuous zoom lens specifically designed for mid-wave infrared thermal imaging systems, suitable for high-precision, environmentally robust applications such as long-range observation, security surveillance, and industrial inspection. The MWIR ODEM825 (40–825 mm, F4.0), with its ultra-long focal length, high sensitivity, and strong environmental adaptability, is an ideal choice for long-range thermal imaging. Whether in security monitoring, industrial inspection, or military reconnaissance, its performance meets the demands of precise target identification and rapid response in complex scenarios. When selecting a lens, it is essential to evaluate the compatibility between the lens and the detector, taking into account the specific application’s required detection range, environmental conditions, and system integration requirements.
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Product Overview

The MWIR ODEM825 (40–825 mm, F4.0), with its ultra‑long focal length, high sensitivity, and robust environmental adaptability, is an ideal choice for long‑range thermal imaging applications. Whether for security surveillance, industrial inspection, or military reconnaissance, its performance reliably meets the demands of precise target identification and rapid response in complex scenarios. When selecting a system, it is essential to evaluate the compatibility between the lens and detector, taking into account the specific application’s required detection range, environmental conditions, and system integration requirements.
 

Optical performance

Focal Length and Zoom ： The focal length ranges from 40 to 825 mm, supporting 21× optical zoom and covering observational needs from wide-angle to ultra‑long distances. The aperture is fixed at F4.0, ensuring sufficient light intake while optimizing image quality.

Detector adaptation: It is compatible with cooled detectors featuring a 640×512 pixel array and a 15-μm pitch, fully leveraging the detector’s high sensitivity and resolution to deliver superior thermal imaging performance in low-light or complex environments.

Spectrum and Field of View: The operating spectral range is 3–5 μm (mid-wave infrared), with a horizontal field of view that spans 14.4° at the wide-angle end and narrows to 0.67° at the narrow-angle end, enabling precise target identification across both wide-area scanning and long-range detection.

Optical Coating: All internal surfaces are coated with a high‑efficiency anti‑reflection film, and the front surface can be optionally treated with a diamond‑like carbon (DLC) coating to enhance scratch resistance and durability.

 

Application scenarios

It can be widely deployed in border defense, military units, public security, smart city initiatives, water resources management, transportation, railways, forest fire prevention, airports, cultural heritage sites, the petroleum and petrochemical industries, industrial and mining facilities, factory premises, livestock farming areas, agricultural cultivation zones, and other sectors—providing round-the-clock, all‑weather surveillance across a wide range of applications.

Technical Specifications

Technical parameters

Core Specifications

Parameter

Numerical value

Note

Optics

Focal length /F#

25-460, 30-660, 40-825 mm/F 4.0

The aperture value remains constant throughout the zoom range.

Probe ( FPA ) Type / Size

Applicable to 9.6 mm x 7.68 mm F/4.0 Cooling-type detector, equipped with 19  – 22 mm Cold cover

Spectral range

3  – 5 µ

 

ODEM460 Field of view angle ( degree )  
(ODEM + × 1.4 BE) 25-460mm

Wide field of view:  21.7 °× 17.5 °  

Narrow field of view:  1.2 °× 1 °

Suitable for sizes of 9.6x7.68 Millimeter detector

All values are nominal: within ± 5% Within the scope

ODEM660 Field of view angle ( degree )  
(ODEM + × 2 BE) 25-460mm

Wide field of view:   18.2 °× 14.6 °

Narrow field of view:   0.9 °× 0.7 °

ODEM825 Field of view angle ( degree )  
(ODEM + × 2.5 BE) 25-460mm

Wide field of view:   14.4 °× 11.5 °  

Narrow field of view:  0.67 °× 0.53 °

Optical coating

Inner surface

Efficient AR Coating

Average transmittance : 90%

Front surface

DLC

Available upon request. DLC

Lens

ODEM460

ODEM660

ODEM825

 

Total length of the optical lens

192 mm

260 mm

305 mm

Standard value

Optical back focal length

26 mm

Standard value

Mechanical

Mechanical Back Focus

Standard MICD The nominal length is approximately 15  Millimeter (customizable length)

 

Zoom method

Electric

5m –   Infinity

Focus Scope

15m –   Infinity

40m – Infinity

50m – Infinity

 

Total weight

2400 Kerl

3000 Kerl

4800 Kerl

Standard value

External dimensions

135 × 192mm

206×245mm

230×270mm

 

Electrical

Power Input

12VDC， 1.0 A

Standard value

Communication protocol

RS-422/232 Full-duplex

Baud rate 19200, n, 8, 1

Environment

Operation / Storage temperature

-30 º C to +50°C / -40°C º C to +70 º C

Impact and Vibration

According to the application standard

Front lens sealing

Default IP67

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Standard Package Contents

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Upon unpacking and use, the standard package includes the above accessories.

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sales@settall.com

13001168699

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Beijing Soske Technology Development Co., Ltd.

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These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.

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