Thermal, SWIR & UV lenses
28.1 mm, F2.8 LWIR Thermal Lens (LS-LWIR281F28)
Model LS-LWIR281F28
- Focal length28.1 mm
- MountM9.5x0.5
- Sensor1/3"
- ApertureF2.8
$339.00
Quoted price: add to quote for lead time and volume pricing.
No final catalogue part number from the factory yet: we confirm the exact lens and lead time with your quote.
Ships in 2-3 weeks
0.12 kg shipping weight
Collect parts in your quote list; we reply with price, lead time and volume pricing.
28.1 mm, F2.8 LWIR Thermal Lens. Long-wavelength infrared (LWIR) thermal lenses designed for commercial and military applications. At a glance: focal length 28.1 mm; sensor 2560×1440 2μm; aperture F2.8; mount M9.5x0.5; distortion 0.91%.
- 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-LWIR281F28 |
|---|---|
| Angle of view (deg) | 10.32(H)x5.84(V) |
| Sealing | Front IP 67 |
| Front lens coating | Multi-layer coating |
Optics
| Focal length | 28.1 mm |
|---|---|
| Aperture | F2.8 |
| Distortion | 0.91% |
| Relative illumination | 0.66 |
| Focus method | Fixed |
| Mechanical back focal length | 4.5 mm |
| Image circle (derived) | dia. 5.9 mm, from the 2560 x 1440 detector at 2 micron pitch |
Sensor and imaging
| Sensor | 2560×1440 2μm |
|---|
Mechanical
| Mount | M9.5x0.5 |
|---|---|
| Dimensions | dia. 14 x L21.33 mm |
| Weight | <15g |
| Shipping weight (estimated) | 0.12 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-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 |
| LS-FAL0057-0H | 28 mm, F2.8, Flange-mount | $339.00 | 3 in stock | View |
| LS-LIR0025-0G | 30-150 mm, F1.2, M45x1-mount | $359.00 | 4 in stock | View |
| LS-SLWIR72 | 30 mm, F1, M45x1-mount | $359.00 | 4 in stock | View |
| LS-SLWIRA9 | 32 mm, F1, M45x1-mount | $369.00 | 2 in stock | View |
| LS-SLWIR98 | 33 mm, F1.2 | $379.00 | 5 in stock | View |
| LS-LIR0019-0G | 35 mm, F1.1 | $399.00 | 4 in stock | View |
| LS-LIR0047-0G | 35 mm, F1.0, Flange-mount | $399.00 | 3 in stock | View |
| LS-SLWIR19 | 35 mm, F1 | $399.00 | 3 in stock | View |
| LS-SLWIR36 | 35 mm, F1 | $399.00 | 2 in stock | View |
| LS-SLWIR77 | 35 mm, F1 | $399.00 | 2 in stock | View |
| LS-SLWIR95 | 35 mm, F1 | $399.00 | 5 in stock | View |
| LS-SLWIRD1 | 35 mm, F1, Flange-mount | $399.00 | 3 in stock | View |