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25mm F/3.0 MWIR Manual Focus Lens For 1024X768-17um Detector

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Wavelength 1.5-5um Focal Length 25mm F3.0 Middle Wave Infrared Germanium Lens For 1024X768-17um Detector
Availability:
  • RSSW25F3.0-1024-17

  • Rising

MWIR Infrared Lens Product Description:

Wavelength 1.5-5um Focal Length 25mm F3.0 Middle Wave Infrared Germanium Lens For 1024X768-17um Detector. 

Suitable for infrared cameras, thermal imaging cameras, thermal imaging cameras, hunting sights, drones, surveillance and other occasions.


MWIR lenses possess a remarkable sensitivity and offer exceptional contrast, effectively reducing unwanted background disturbances. They prove to be an impeccable choice for capturing images across vast distances, conducting high-temperature radiometry, and engaging in scientific exploration.


These lenses are specifically designed to excel in marine and high moisture settings, as well as endure harsh outdoor circumstances. They are frequently employed for ensuring airport perimeters remain secure, monitoring vessel traffic, and safeguarding critical infrastructure.


Furthermore, MWIR lenses demonstrate remarkable adaptability and are perfectly suited for laboratory applications. They boast an extraordinary level of sensitivity, minimal noise interference, and precise temperature measurements, thus making them the ideal solution for fulfilling even the most demanding testing prerequisites.


Infrared Germanium Lens Parameters:

Product Name
3-5um Middle Wave Infrared Lens
Material Germanium, ZnSe
Focal Length 25mm
F# 3.0
Wavelength 1.5-5um
Image Diagonal 21.76mm
Average Transmission >80%
Circular FOV (H)38°x(V)29°x(D)47°
Back Focus Distance 39.4mm
Back Working Distance 33.1mm
Back Focus Length 35.9mm
Dimensions 69mm / 55.7mm
Focus Type Manual Focus
Focus Range 1m to infinity
Mount Type Bayonet
Detector 1024x768-17um
Weight 170g
Operating Temperature -40℃~+80℃
Storage Temperature -40℃~+80℃
External Coating AR Coating Available


infrared lens

Manufacturing Technique:


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:

What IS An AR Coating?

Anti-reflective coating (English: Anti-reflective coating, AR) is a surface optical coating that increases transmittance by reducing light reflection. In complex optical systems, it can improve contrast by reducing scattered light in the system.

Many coatings include transparent film structures with different refractive indices. The thickness of the film determines the wavelength of the reflected light that it acts on. When light is reflected twice on the AR coating, it will interfere with the original reflected light, thereby weakening the reflected light. 

According to the conservation of energy, the energy of light does not change. Therefore, when the reflected light decreases, the transmitted light increases. This is the principle of AR coating. Generally, when choosing an AR coating, you need to determine the wavelength, such as infrared, visible and ultraviolet.


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