• 4mm F1.0 athermalized chalcogenide LWIR thermal lens for wide-angle thermal imaging

4mm F1.0 Athermalized LWIR Lens

Peoptix LWIR thermal imaging lenses are available in manual and motorized focus variants with optional athermalization. They deliver high thermal sensitivity and consistent image quality, ideal for industrial inspection, body temperature screening, and perimeter surveillance.

  • 4mm F1.0 athermalized chalcogenide LWIR thermal lens for wide-angle thermal imaging

Description

Key Features

  • High thermal sensitivity for detecting subtle temperature differences
  • Athermalized focus: stays sharp across temperature extremes, no refocusing (optional)
  • High-durability AR and hard-carbon (DLC) coatings
  • Custom optical designs for diverse thermal imaging applications 

Technical Data

Model No. PE 4mm/F1.0
Material Chalcogenide glass (IRG206)
Detector/Sensor 640 x 512
Pixel Size 12 um
Focal Length/EFL 4mm
F-number/F# 1.0
FOV (°) 87.7° (H) x 75.0° (V)
Wavelength (um) 8~12 um
Average Transmittance (@8~12um) ≥88%
Focus Athermalized & Manual
Working Temperature -20 ºC ~ +60 ºC
Storage Temperature -20 ºC ~ +70 ºC

Applications

    • Predictive maintenance

    Continuous temperature monitoring of motors, bearings, pumps, and other rotating machinery to detect developing faults and prevent unexpected failures.

        • Perimeter surveillance

        24/7 intrusion detection along fences, borders, and restricted zones in complete darkness and low-visibility conditions.

        • Body temperature screening

        Fever detection for public health monitoring at building entrances, transportation hubs, and high-traffic facilities.

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