LWIR - Athermal

SOT-LW-A-19F1

The 19mm F1.0 infrared athermal lens is engineered for high-resolution thermal imaging, maintaining sharp focus and consistent optical performance across varying temperatures without manual adjustment. Its athermal design ensures reliable operation in demanding security, surveillance, and outdoor monitoring 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, surveillance, and outdoor thermal imaging applications
  • 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) 19 Mount Type M25 x 0.5
F/# 1.0 Lens Size Ø27 mm / L22.5 mm
Spectral Range 8~12 µm Rear Working Distance 15.3 mm
Transmittance >89% Weight 30.6 g ± 5%
Detector 640×512 / 12 µm Coating AR
FOV 22.6° × 18.2° Operating Temperature -40°C ~ 60°C
Focusing Method Athermal Storage Temperature -40°C ~ 80°C
Focus Range 2 m ~ ∞ IP Grade IP67 (Front Mirror)

Resources

Drawing CDA

Drawing PDF

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