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Home / Thermal, SWIR & UV lenses / LWIR Thermal lenses
35 mm, F1, Flange-mount LWIR Thermal Lens (LS-SLWIRD1)

Thermal, SWIR & UV lenses

35 mm, F1, Flange-mount LWIR Thermal Lens (LS-SLWIRD1)

Model LS-SLWIRD1

35 mm, F1, Flange-mount LWIR Thermal Lens. Long-wavelength infrared (LWIR) thermal lenses designed for commercial and military applications. At a glance: focal length 35 mm; sensor 640×512 12μm; aperture F1; mount Flange; distortion 0.9%.

$399.00 USDIn stock · 3 available

Inventory updated Oct 14, 2026

0.29 kg shipping weight · Ships in 2-3 weeks
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Specifications

ModelLS-SLWIRD1
Focal length35 mm
ApertureF1
Sensor640×512 12μm
Angle of view (deg)16.05°(D)×12.4°(H)×9.9°(V)
Distortion0.9%
Relative illumination0.9
Focus methodManual focus
Focus range3m~∞
Mechanical back focal length3.89 mm
MountFlange
Dimensions57.1 x 55.6 x 42.9 mm
Operating temperature40℃ to +80℃
Weight<138g
SealingFront IP 67
Front lens coatingDLC
Shipping weight (estimated)0.29 kg

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

Applications

  • Commercial
  • Military
Complete the station

Drive the light from a light controller and pair it with a lens for your field of view and working distance.

Light controllers LensesSelection guide

Other sizes in the LWIR Thermal lenses series

ModelSizePriceAvailability
LS-UNNAMEDINTERNALLISTROW12328.1 mm, F2.8 $339.00 2 in stockView
LS-FAL0057-0H28 mm, F2.8, Flange-mount $339.00 3 in stockView
LS-LIR0025-0G30-150 mm, F1.2, M45x1-mount $359.00 4 in stockView
LS-SLWIR7230 mm, F1, M45x1-mount $359.00 4 in stockView
LS-SLWIRA932 mm, F1, M45x1-mount $369.00 2 in stockView
LS-SLWIR9833 mm, F1.2 $379.00 5 in stockView
LS-LIR0019-0G35 mm, F1.1 $399.00 4 in stockView
LS-LIR0047-0G35 mm, F1.0, Flange-mount $399.00 3 in stockView
LS-SLWIR1935 mm, F1 $399.00 3 in stockView
LS-SLWIR3635 mm, F1 $399.00 2 in stockView
LS-SLWIR7735 mm, F1 $399.00 2 in stockView
LS-SLWIR9535 mm, F1 $399.00 5 in stockView
LS-SLWIRD835 mm, F1, Flange-mount $399.00 3 in stockView
LS-SLWIRF435 mm, F1, Flange-mount $399.00 4 in stockView
LS-SLWIRG335 mm, F1, Flange-mount $399.00 3 in stockView
LS-SLWIRG735 mm, F0.9 $399.00 2 in stockView
LS-STRFA66K7L135 mm, F1.0 $399.00 2 in stockView
LS-STRFA66L6L135 mm, F1, M45x1-mount $399.00 3 in stockView
LS-STRLW19L235 mm, F1 $399.00 4 in stockView
LS-STRLW19L335 mm, F1 $399.00 4 in stockView
LS-STRLW19L435 mm, F1 $399.00 2 in stockView
LS-STRLW19L535 mm, F1 $399.00 4 in stockView
LS-STRLW19L635 mm, F1 $399.00 5 in stockView
LS-STRLW19L735 mm, F1 $399.00 5 in stockView

See all 194 models in the LWIR Thermal lenses series