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Home » All Product » LWIR Lens » Thermal Sight Lens » FL 25mm F1.0 LWIR Aiming Lens For 640x512-17um Detector

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FL 25mm F1.0 LWIR Aiming Lens For 640x512-17um Detector

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Focal Length 25mm F1.0 Thermal Sight Infrared Lens For 640x512-17um Detector.
Availability:
  • RS25F1.0-640-17

  • Rising


Infrared Aiming Lens Parameters:

Product Name
Infrared Aiming Lens
Focal Length 25mm
F# 1.0
Wavelength 8-12um
Material Chalcogenide, ZnSe(Zinc Selenide), ZnS(Zinc Sulfide), Si(Silicon)
Image Diagonal 13.93mm
Detector 640x512-17um
Average Transmission >94%
Circular FOV (H)24.5°x(V)18.5°x(D)30.4°
Back Focus Distance
17.84mm
Back Working Distance 9.84mm
Back Focus Length
12.73mm
Dimensions
45mm / 30.5mm
Focus Type Manual Focus
Focus Range 1m to infinity
Mount Type M38x1-6g
Weight 88g
Operating Temperature -40℃ to +80℃
Storage Temperature -40℃ to +80℃
External Coating DLC Coating Available

infrared lens


Infrared Lens Processing Equipment:

ir lens


1. Inner carving test platform;

2. Microscope;

3. Opto Tech aspheric processing;

4. Polishing machine;

5. Thickness Gauge;

6. Ultrasonic Cleaner;

7. Workshop;

8. Interferometer;

9. High and low tempera ture test chamber;

10. High polishing machine;

11. Optical bench;

12. Raul milling;

13. Atomic force microscope;

14. Centralinstrument;

15. Hand Grinding and Polishing Machine;


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.


Infrared Lens Package:

ir lens

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