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f 1.2 lens
f 1.2 lens

121mm F1.2 Infrared Athermal Lens

The 121mm F1.2 infrared athermal lens is designed for superior long-range imaging in varying thermal environments. Its athermal properties ensure consistent focus and image quality without the need for manual adjustments, ideal for high-stakes applications such as military surveillance, border control, and critical infrastructure monitoring. To understand infrared athermal lenses better, get in touch with CNGEIR.

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Specifications
Drawings

The Specifications of 121mm F1.2 Infrared Athermal Lens

Focus Length (f)121mm
Aperture (F)1.2
Spectrum8~12μm
FOV7.3°X5.8°
CoatingAR
Transmittance>88%
Detector1280X1024(12μm)
Focus ModeAthermal
Focus Range5m~∞
Rear Working Distance17.48mm
Mount TypeM45×1.0
Sizeφ110/L120mm
Weight785g
Working Temp-40℃~60℃
Storage Temp-40℃~80℃
IP GradeIP67


Drawings of 121mm F1.2 Infrared Athermal Lens

Drawings of 121mm F1.2 Infrared Athermal Lens

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