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Home » All Product » LWIR Lens » Athermalized Infrared Lens » EFL 19mm F1.0 Infrared Athermal Lens For 640x512-17um Detector

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EFL 19mm F1.0 Infrared Athermal Lens For 640x512-17um Detector

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Fixed Focal Length 19mm F1.0 Long Wave Infrared Atrhermal Germanium Lens For 640x512-17um Detector
Availability:
  • RSA19F1.0-640-17

  • Rising

Infrared Athermal Lens Description


Athermal lens, fixed focal length, generally used in monitoring, drones and other places where it is difficult to focus.


Infrared lenses are usually identified by their focal length, as the focal length increases, the lens' angle of view narrows (Narrow). 


Conversely, as the focal length decreases, the field of view becomes wider (Wide).


Infrared lenses can generally be divided into single-field lenses, multi-field lenses, and continuous zoom lenses.


Because the infrared continuous zoom lens can complete the search for the target and the continuous tracking of the target at different distances, it is widely used in many fields.


FL 19mm F1.0 Athermal Lens Parameters


Product name Infrared Germanium Lens
Focal Length 19mm
F# 1.0
Wavelength 8-12um
Image Diagonal 13.93mm (pixel 17um)
Detector 640x512-17um
Average Transmission >94%
Circular FOV (H)33°x(V)26°x(D)41.6°
Back Focus Distance
8.8mm
Back Working Distance 4.5mm
Back Focus Length 9.1mm
Dimension 25mm / 23.8mm
Focus Type Fixed Focal
Focus Range 3m to infinity
Mount Type M22x0.5-6g
Weight 26g
Operating Temperature -20℃~+60℃
Storage Temperature -40℃~+80℃
External Coating AR Coating Available


ir lens (2)


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;


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