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%.
| Model | LS-SLWIR31 |
|---|---|
| Focal length | 25 mm |
| Aperture | F1.1 |
| Sensor | 640×512 12μm / 400×300 17μm |
| Angle of view (deg) | 22.45°(D)×17.56°(H)×14.07°(V) |
| Distortion | 0.8% |
| Relative illumination | 0.94 |
| Focus method | Fixed |
| Focus range | 1m~∞ |
| Mechanical back focal length | 11.5 mm |
| Mount | M31×2.25(p=0.75) |
| Dimensions | dia. 34 x L39.9 mm |
| Operating temperature | 40℃ to +80℃ |
| Weight | <55g |
| Sealing | IP 67 |
| Front lens coating | DLC |
| Shipping weight (estimated) | 0.18 kg |
Photo shows a representative model of this series; see the specifications for this model.