12.5 mm SWIR lens, 900-1700 nm, 2/3", F1.4, C-mount (LS-SWL-0249)
  • 12.5 mm SWIR lens, 900-1700 nm, 2/3", F1.4, C-mount (LS-SWL-0249)
  • 12.5 mm SWIR lens, 900-1700 nm, 2/3", F1.4, C-mount (LS-SWL-0249)
  • 12.5 mm SWIR lens, 900-1700 nm, 2/3", F1.4, C-mount (LS-SWL-0249)

Rendered illustration: the actual product may differ in appearance.

Thermal, SWIR & UV lenses

12.5 mm SWIR lens, 900-1700 nm, 2/3", F1.4, C-mount (LS-SWL-0249)

Model LS-SWL-0249

  • Focal length12.5 mm
  • MountC-mount
  • Sensor2/3"
  • Working distance0.2 m to infinity
  • ApertureF1.4
  • Resolution40 lp/mm
$400.00

Ships in 3-4 weeks

1.0 kg shipping weight

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12.5 mm SWIR lens, 900-1700 nm, 2/3", F1.4, C-mount (LS-SWL-0249)LS-SWL-0249

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LS-SWL-0249: focal length 12.5 mm, aperture F1.4, working distance 0.2 m to infinity, resolution 40 lp/mm.

12.5 mm SWIR lens for SWIR, NIR and UV cameras. Focal length 12.5 mm; working distance 0.2 m to infinity; covers sensors up to 2/3"; aperture F1.4; corrected for 900-1700 nm; C-mount.

  • Tracked worldwide shippingTracked 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; no restocking fee
  • Secure checkout by ShopifyCard, PayPal, Shop Pay or Google Pay

Specifications

General

ModelLS-SWL-0249

Optics

Focal length12.5 mm
ApertureF1.4
Field of view46.8° /38.2° /29.2°
Working distance0.2 m to infinity
Back focal length10.4 mm
Distortion<-0.4%
FocusManual
Filter threadM35.5×P0.5

Sensor and imaging

Sensor format2/3"
Resolution40 lp/mm

Light

Wavelength range900-1700 nm

Environment and compliance

Operating temperature-10 to 50 °C
Storage temperature-20 to 60 °C

Mechanical

MountC-mount
DimensionsΦ38.5×64.032 mm
Shipping weight1.00 kg

Engineering data

Field of view with the LS-SWL-0249

Worked out from this lens's own focal length, image circle and closest focus: what it sees at your working distance, on the sensor you use.

Focal length12.5 mm
Image circleØ 11 mmCovers sensors up to 2/3"
Angle of view37.4° × 31.6°Calculated for a 2/3" sensor; 47.6° diagonal
Distortion< 0.4 %
Back focal length10.4 mm
SizeØ 38.5 × 64.032 mm
Filter threadM35.5 × 0.5
Field of view (width × height) of the 12.5 mm lens by sensor format and working distance
Sensor formatAt 50 mmAt 100 mmAt 200 mmAt 500 mm
1/2.9"4.98 × 3.74 mm19.9 × 15 mm39.8 × 29.9 mm79.7 × 59.8 mm199 × 150 mm
1/2"6.4 × 4.8 mm25.6 × 19.2 mm51.2 × 38.4 mm102 × 76.8 mm256 × 192 mm
1/1.8"7.07 × 5.3 mm28.3 × 21.2 mm56.6 × 42.4 mm113 × 84.8 mm283 × 212 mm
2/3"8.45 × 7.07 mm33.8 × 28.3 mm67.6 × 56.6 mm135 × 113 mm338 × 283 mm

Thin-lens approximation: field of view ≈ sensor size × working distance ÷ focal length, with the distance measured to the front of the lens; closest to reality when the distance is many times the focal length. Sensor sizes are typical for each optical format.

Compatible parts

Fits with this part

Checked with the configurator's fit rules: lens mount and sensor coverage, supply voltage, power per channel and connector.

Build the full system with this part

Cameras this lens fits

7.1 mm sensor diagonal; this lens covers up to 11 mm

9.5 mm sensor diagonal; this lens covers up to 11 mm

3.2 mm sensor diagonal; this lens covers up to 11 mm

6.6 mm sensor diagonal; this lens covers up to 11 mm

8.9 mm sensor diagonal; this lens covers up to 11 mm

8.8 mm sensor diagonal; this lens covers up to 11 mm

Adapters

For CS-mount cameras

Other models in the SWIR lenses (LS-SWL-S06) series

See all 6 models
ModelFocal lengthWorking distanceAperturePriceAvailabilityLink
LS-SWL-0249This model12.5 mm0.2 m to infinityF1.4$400.00 Ships in 3-4 weeks
LS-SWL-025016.3 mm0.2 m to infinityF1.4-22$400.00 Ships in 3-4 weeks View
LS-SWL-025125.9 mm0.2 m to infinityF1.4-16$400.00 Ships in 3-4 weeks View
LS-SWL-025235 mm0.15 m to infinityF1.4$400.00 Ships in 3-4 weeks View
LS-SWL-025350 mm0.4 m to infinityF2.0$400.00 Ships in 3-4 weeks View
LS-SWL-02488.5 mm0.2 m to infinityF1.4$400.00 Ships in 3-4 weeks View