LWIR - Athermal

SOT-LW-A-25F1

The 25mm F1.1 infrared athermal lens is engineered for high-resolution thermal imaging, providing sharp, consistent focus across varying temperatures without the need for manual adjustment. Its athermal design ensures reliable performance in demanding security and surveillance 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 industrial monitoring 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) 25 Mount Type Flange
F/# 1.0 Lens Size Ø29 mm / L26 mm
Spectral Range 8~12 µm Rear Working Distance 7.41 mm
Transmittance >89% Weight 27.27 g ± 5%
Detector 640×512 / 12 µm Coating AR
FOV 17.5° × 14° Operating Temperature -40°C ~ 60°C
Focusing Method Athermal Storage Temperature -40°C ~ 80°C
Focus Range 2.5 m ~ ∞ IP Grade IP67 (Front Mirror)

Resources

Drawing CDA

Drawing PDF

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