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FL12.3mm F1.0 LWIR Athermal Lens For 384x288-25um

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Focal Length 12.3mm F1.0 Infrared Athermal Lens For 384x288-25um Detector.
Availability:
  • RSA12.3F1.0-384-25

  • Rising

Infrared Athermal Lens Description:

Focal Length 12.3mm F1.0 Infrared Athermal Germanium Lens For 384x288-25um Detector.

Material: Germanium, Chalcogenide, Zinc Selenide, Zinc Sulfide, Silicon, Calcium Fluoride, Barium Fluoride, etc.

Application: Infrared Sights, Infrared Camera, Drone Monitor, Car Monitor, etc.


1) Low-light night vision: Under the night vision conditions of atmospheric glow, the photon irradiance is mainly distributed in the SWIR band range of 1.0-1.8um, which makes LWIR night vision imaging more effective than visible light night vision imaging. Significant inherent advantages; image details can be extracted in deep shadows, and can penetrate window glass for imaging, especially suitable for use in dark places or at night.


2) Optical configuration is simple: LWIR light can penetrate glass, LWIR camera does not need a special housing, only needs to be equipped with a protective window glass, and it has great flexibility when applied to a specific platform or occasion.


Infrared Athermal Lens Parameters:

Product Name
Infrared Athermal Lens
Focal Length 12.3mm
F# 1.0
Detector 384x288-25um
Average Transmission >95%
Circular FOV (H)42°x(V)32°
Back Focus Distance 16.72mm
Back Working Distance 8.22mm
Back Focus Length 12.06mm
Dimensions 34mm / 15.8mm
Focus Type Manual Focus
Focus Range 0.3m to infinity
Mount Type M34x0.5
Weight 22g
Operating Temperature -20℃ to +60℃
Storage Temperature -40℃ to +80℃
External Coating AR Coating Available

athermal lens


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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