Thermal, SWIR & UV lenses
25 mm, F1.1 LWIR Thermal Lens (LS-SLWIR31)
Model LS-SLWIR31
- Focal length25 mm
- MountM31x2.25
- Sensor1/1.7"
- ApertureF1.1
$309.00
In stock - ships the same business day (2 available, order by 2 PM ET)
0.18 kg shipping weight
Volume pricing, Net 30 or a formal quote?
25 mm, F1.1 LWIR Thermal Lens. Long-wavelength infrared (LWIR) thermal lenses designed for commercial and military applications. At a glance: focal length 25 mm; sensor 640×512 12μm / 400×300 17μm; aperture F1.1; mount M31×2.25(p=0.75); distortion -0.8%.
- Same-day shipping on stock itemsTracked UPS or DHL
- 3-year warranty, minimumCovers defects in materials and workmanship
- Expert machine-vision support includedFrom our licensed P.E. engineers
- Volume discounts and Net 30For approved business accounts; purchase orders welcome
- 90-day returnsUnused items; free return label in the US
- Secure checkout by ShopifyCard, PayPal, Shop Pay or Google Pay
Specifications
General
| Model | LS-SLWIR31 |
|---|---|
| Angle of view (deg) | 22.45°(D)×17.56°(H)×14.07°(V) |
| Sealing | IP 67 |
| Front lens coating | DLC |
Optics
| Focal length | 25 mm |
|---|---|
| Aperture | F1.1 |
| Distortion | -0.8% |
| Relative illumination | 0.94 |
| Focus method | Fixed |
| Focus range | 1m~∞ |
| Mechanical back focal length | 11.5 mm |
| Image circle (derived) | dia. 9.8 mm, from the 640 x 512 detector at 12 micron pitch |
Sensor and imaging
| Sensor | 640×512 12μm / 400×300 17μm |
|---|
Environment and compliance
| Operating temperature | -40℃ to +80℃ |
|---|
Mechanical
| Mount | M31×2.25(p=0.75) |
|---|---|
| Dimensions | dia. 34 x L39.9 mm |
| Weight | <55g |
| Shipping weight (estimated) | 0.18 kg |
Photo shows a representative model of this series; see the specifications for this model.
Other models in the LWIR Thermal lenses series
See all 194 models| Model | Size / key data | Price | Availability | Link |
|---|---|---|---|---|
| LS-SLWIR33 | 19 mm, F1 | $259.00 | 5 in stock | View |
| LS-SLWIR62 | 19 mm, F1 | $259.00 | 4 in stock | View |
| LS-SLWIR97 | 19 mm, F1, Flange-mount | $259.00 | 3 in stock | View |
| LS-SLWIRB5 | 19 mm, F1, Flange-mount | $259.00 | 2 in stock | View |
| LS-SLWIRJ3 | 19 mm, F1, Flange-mount | $259.00 | 2 in stock | View |
| LS-STRFA66L9L2 | 19-30 mm, F1.1 | $259.00 | 4 in stock | View |
| LS-STRFA66P4L1 | 19 mm, F2.2 | $259.00 | 3 in stock | View |
| LS-STRLW22L1 | 19 mm, F1.2 | $259.00 | 4 in stock | View |
| LS-STRLW22L2 | 19 mm, F1.2 | $259.00 | 4 in stock | View |
| LS-STRLW44L1 | 19 mm, F1 | $259.00 | 5 in stock | View |
| LS-STRFA66P2L1 | 22 mm | $289.00 | 3 in stock | View |
| LS-SLWIR04 | 25 mm, F1 | $309.00 | 4 in stock | View |
| LS-SLWIR54 | 25 mm, F1 | $309.00 | 4 in stock | View |
| LS-SLWIR63 | 25 mm, F1 | $309.00 | 5 in stock | View |
| LS-SLWIRC6 | 25 mm, F1.4, Flange-mount | $309.00 | 3 in stock | View |
| LS-SLWIRE6 | 25 mm, F1, Flange-mount | $309.00 | 5 in stock | View |
| LS-SLWIRG8 | 25 mm, F1, Flange-mount | $309.00 | 5 in stock | View |
| LS-STREMI00000 | 25 mm, F1.0 | $309.00 | 5 in stock | View |
| LS-STRFA66K2L3 | 25 mm, F1.2 | $309.00 | 2 in stock | View |
| LS-STRFA66K4L1 | 25 mm, F1.0 | $309.00 | 4 in stock | View |
| LS-STRFA66L5L1 | 25 mm, F1.2 | $309.00 | 4 in stock | View |
| LS-STRLW02L1 | 25 mm, F1.2 | $309.00 | 5 in stock | View |
| LS-STRLW34L1 | 25 mm, F1 | $309.00 | 3 in stock | View |
| LS-STRLW37L1 | 26 mm, F1.2 | $319.00 | 4 in stock | View |