LWIR - Athermal

SOT-LW-A-75F1

The 75mm F1.0 infrared athermal lens delivers high-resolution imaging and reliable focus across varying temperature conditions, making it perfect for advanced thermal imaging and security applications. Its athermal design ensures consistent image quality even in challenging environments.

  • Stable focus from -40°C to +80°C for reliable thermal imaging
  • High-performance AR coatings optimized for LWIR/MWIR bands
  • Suitable for long-range surveillance, security systems, and industrial monitoring
  • Compatible with multiple detector formats and pixel pitches
  • Maintains sharp, detailed images from near range to distant targets
  • Cost-effective solution for high-resolution thermal sensing
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Specifications

Focal Length (mm) 75 Mount Type M38 x 0.5
F/# 1.0 Lens Size Ø82mm / L87.6mm
Spectral Range 8~12μm Rear Working Distance 13.35mm
Transmittance >89% Weight 371.8g
Detector 640x512 / 17μm Coating AR
FOV 8.3° × 6.6° Operating Temperature -40°C ~ 60°C
Focusing Method Athermal Storage Temperature -40°C ~ 80°C
Focus Range 7.5m ~ ∞

Resources

Drawing CDA

Drawing PDF

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