Thermal, SWIR & UV lenses

6.8 mm, F1.2 LWIR Thermal Lens, BFL 4.2 mm (LS-SWL-0042)

Model LS-SWL-0042

  • Focal length6.8 mm
  • MountM17x0.75
  • Sensor1/3.6"
  • ApertureF1.2
$239.00

Ships in 2-3 weeks

0.11 kg shipping weight

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6.8 mm, F1.2 LWIR Thermal Lens, BFL 4.2 mm (LS-SWL-0042)LS-SWL-0042

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6.8 mm, F1.2 LWIR Thermal Lens. Long-wavelength infrared (LWIR) thermal lenses designed for commercial and military applications. At a glance: focal length 6.8 mm; sensor 240×180 17μm; aperture F1.2; mount M17×0.75; distortion -6.1%.

  • Same-day shipping on stock itemsTracked UPS or DHL
  • 3-year warranty, minimumCovers defects in materials and workmanship
  • Expert machine-vision support includedFrom our engineering team, incl. a licensed P.E.
  • Volume discounts and Net 30For approved business accounts; purchase orders welcome
  • 90-day returnsUnused items, counted from delivery; free US return label; restocking fee up to 15% may apply
  • Secure checkout by ShopifyCard, PayPal, Shop Pay or Google Pay

Specifications

General

ModelLS-SWL-0042
Angle of view (deg)43.7°(D)×34.8°(H)×26°(V)
Front lens coatingHD

Optics

Focal length6.8 mm
ApertureF1.2
Distortion-6.1%
Relative illumination0.94
Focus methodFixed
Focus range0.3m~∞
Mechanical back focal length4.2 mm
Image circle (derived)dia. 5.1 mm, from the 240 x 180 detector at 17 micron pitch

Sensor and imaging

Sensor240×180 17μm

Environment and compliance

Operating temperature-40℃ to +80℃

Mechanical

MountM17×0.75
Dimensionsdia. 20 x L16 mm
Weight<10g
Shipping weight (estimated)0.11 kg

Photo shows a representative model of this series; see the specifications for this model.

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