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Auto Focus Infrared Lens 25-75mm f/0.99-1.14

Home / All / LWIR Lens | Infrared Optics / Continuous Zoom LWIR Lens /

Auto Focus Infrared Lens 25-75mm f/0.99-1.14

Auto Focus Infrared Lens 25-75mm f/0.99-1.14

Auto Focus Infrared Lens 25-75mm f/0.99-1.14
CategoriesContinuous Zoom LWIR Lens
BrandQuanhom Optronics
ModelGCZ32511ZK
LWIR Lens25-75mm f/0.99-1.14
ApplicationsSecurity and Surveillance
Focus MechanismMotorized
Update TimeJanuary 31,2023
Detail Information
  • Specifications
  • Download file
  • FAQ
  • Video
  • Applications
Specifications
HFOV
160x120
320x240
336x256
384x288
640x480
640x512
1024x768
1280x1024
25μm
3.1°-9.1°
6.1°-18.2°
6.4°-19.1°
7.3°-21.7°
/
/
/
/
17μm
2.1°-6.2°
4.2°-12.4°
4.4°-13°
5°-14.9°
8.3°-24.6°
8.3°-24.6°
13.2°-38.4°
/
12μm
1.5°-4.4°
2.9°-8.8°
3.1°-9.2°
3.5°-10.5°
5.9°-17.5°
5.9°-17.5°
9.4°-27.6°
11.7°-34.2°

Optical

Focal Length[mm]
25-75 3X continuous zoom
F/#
0.99-1.14
Wavelength
8-12μm

Average Transmission

≥80%

Focus Range
5m-Infinity

Mechanical

Focus Mechanism
Motorized
Dimensions [mm]
Ø99x125
Weight
890g

Electrical & Communications

Power Input
DC 12V Average
Communications
NA

Environmental

Operating Temperature
-40℃ to +60
Storage Temperature
-50℃ to +70
External Coating
DLC/AR
Front Element Sealing
IP67
Download document
FAQ
- Why is the Infrared Zoom Athermalized Lens autofocus not clear?

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

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

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

3. For hardware problems such as the potentiometer not working, 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, which may be incompatible with the computer or of the wrong type;

3. Check if the wiring of the module or the control board is loose;

4. For module or control board hardware problems, replace the hardware.

VIDEO
APPLICATIONS
Homeland Security
Maritime & Naval
Security & Surveillance
Review
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