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Quanhom Technology Co., LTD is a company engaged in the area of development and production of thermal infrared optics. The high precision product range includes infrared lenses assemblies of SWIR/MWIR/LWIR , eyepieces, infrared lens elements, etc.
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Optical Infrared Lens | LWIR Lens 40/120mm f 1.2/0.9 2-FOV

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Optical Infrared Lens | LWIR Lens 40/120mm f 1.2/0.9 2-FOV

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Optical Infrared Lens | LWIR Lens 40/120mm f 1.2/0.9 2-FOV

Optical Infrared  Lens | LWIR Lens 40/120mm f 1.2/0.9  2-FOV
Optical Infrared  Lens | LWIR Lens 40/120mm f 1.2/0.9  2-FOVOptical Infrared  Lens | LWIR Lens 40/120mm f 1.2/0.9  2-FOVOptical Infrared  Lens | LWIR Lens 40/120mm f 1.2/0.9  2-FOVOptical Infrared  Lens | LWIR Lens 40/120mm f 1.2/0.9  2-FOVOptical Infrared  Lens | LWIR Lens 40/120mm f 1.2/0.9  2-FOV
CategoriesM-FOV LWIR Lens
BrandQuanhom Infrared Optics
ModelGLD40N120
LWIR Lens40/120mm f 1.2/0.9 2-FOV
ApplicationsSecurity and Surveillance
Mechanical InterfaceThread
Update Time2021-05-18
Detail Information
  • Specifications
  • Download file
  • FAQ
  • Video
  • Applications
Specifications
HFOV
160x120
320x240
336x256
384x288
640x480
640x512
1024x768
1280x1024
25μm
1.9°/5.7°
3.8°/11.4°
4°/12°
4.6°/13.7°
/
/
/
/
17μm
1.3°/3.9°
2.6°/7.8°
2.7°/8.2°
3.1°/9.3°
5.2°/15.5°
5.2°/15.5°
/
/
12μm
0.9°/2.7°
1.8°/5.5°
1.9°/5.8°
2.2°/6.6°
3.7°/11°
3.7°/11°
/
/

Optical

Focal Length[mm]
40/120
F/#
0.9/1.2
Wave Length
8-14μm
Focus Range
10m-Infinity

Mechanical

Focus Mechanism
Motorized Dual Vision
Dimensions [mm]
Φ110x153.92
Weight
1.41kg

Environmental

Operating Temperature
-40℃ to +60
Storage Temperature
-50℃ to +80
External Coating
DLC
Front Element Sealing
IP67
Download document
FAQ
- Why the lens autofocus is not clear?

There are many reasons why the lens autofocus is not clear, the main reasons are as follows which can be checked one by one:

1. During the focusing process, there is a large moving target in the lens screen (occupying more than 1/3 of the picture), can be refocused;

2.If the lens is used for a long time, the gear, CAM and other transmission parts wear and tear, resulting in unclear focus, the module or control board parameters can be adjusted to make the focus clear again;

3. Hardware problems, such as potentiometer does not work, replace the hardware that does not work.

- Why can not the lens control board or module connect to the computer?

There are many reasons why the lens control board and the computer cannot be connected, the main reasons are as follows which can be checked one by one:

1. Replace the USB port, which may be incompatible with the data cable;

2.Replace the data cable,maybe the data cable is not compatible with the computer or the cable data is wrongly selected;

3. Confirm the wiring of the module or the control board, maybe the wiring is loose;

4.Module or control board hardware problem, replace the hardware.

VIDEO
GLD40N120 2-FOV Infrared Lens video

GLD40N120 2-FOV Infrared Lens video

APPLICATIONS
Homeland Security

Security and Surveillance

Remote Controlled Weapon Stations (RCWS)

Naval and Maritime

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