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19mm F1.1 LWIR Aiming Lens For 640x512-17um

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8-12um Long Wave Infrared Aiming Lens For Thermal Sight Scope, Infrared Sight and Thermal Imager.
Availability:
  • RS19F1.1-640-17

  • Rising

Thermal Sight Lens Description:

1. long-wave 8-12um infrared lenses, mainly made of Ge, ZnSe and other optical materials, all of which are manual focus.

2. Thermal sights are small, lightweight and easy to use. 

3. The requirements for working temperature and storage temperature are small, and it can basically work in the environment of -40 ℃ to +80 ℃.


Germanium lenses are known for their unique properties:

In the field of lenses designed for infrared cameras, germanium glass is preferred because of its excellent refractive index.

Unlike ordinary optical glass, it only allows infrared light through, making it ideal for capturing images in low-light conditions.

This remarkable quality makes it possible to detect hidden flora and fauna that the human eye cannot notice.

However, germanium is a rare element in limited quantities, resulting in costly extraction and lens manufacturing.

As a result, infrared camera lenses tend to cost more than standard lenses made of synthetic materials.


Thermal Sight Lens Parameters:

Product Name Infrared Lens
Focal Length 19mm
F#

1.1

Wavelength 8-12um
Image Diagonal 13.93mm
Detector 640x512-17um
Average Transmission
>94%
Circular FOV (H)33°x(V)26°x(D)41.6°
Back Focus Distance
18mm
Back Working Distance 8.5mm
Back Focus Length 10mm
Dimensions 50mm / 25.7mm
Focus Type Manual Focus
Focus Range 1m to infinity
Mount Type M45x1-6g
Weight 78g
Operating Temperature -40℃~+80℃
Storage Temperature
-40℃~+80℃
External Coating AR Coating Available

aiming lens

Infrared Lens Factory 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;


FAQ:

Why cannot 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.

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If you have any questions, please contact us via email or telephone and we will get back to you as soon as possible.

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