LWIR - Athermal

SOT-LW-A-91F1H

The 9.1mm F1.0 infrared athermal lens is engineered for high-resolution thermal imaging, maintaining sharp focus and consistent optical performance across varying temperatures without the need for manual adjustment. Its athermal design ensures reliable operation in demanding security, automotive, and infrared imaging applications.

  • Stable focus from -40°C to +80°C for dependable thermal imaging
  • High-performance AR coatings optimized for LWIR/MWIR bands
  • Ideal for security cameras, automotive night vision, and IR imaging systems
  • Compatible with multiple detector formats and pixel pitches
  • Maintains clear, detailed images from near range to long-distance targets
  • Cost-effective solution for precision infrared imaging systems
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Specifications

Focal Length (mm) 9.1 Mount Type M17 x 0.5 - 6g
F/# 1.0 Lens Size Ø17.2 mm / L12.1 mm
Spectral Range 8~12 µm Rear Working Distance 8.2 mm
Transmittance >91% Weight 7.8 g ± 5%
Detector 640×512 / 12 µm Coating HD
FOV 45.8° × 37.3° Operating Temperature -40°C ~ 60°C
Focusing Method Athermal Storage Temperature -40°C ~ 80°C
Focus Range 0.9 m ~ ∞ IP Grade IP67 (Front Mirror)

Resources

Drawing CDA

Drawing PDF

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