13 mm, F0.9 LWIR Thermal Lens. Long-wavelength infrared (LWIR) thermal lenses designed for commercial and military applications. At a glance: focal length 13 mm; sensor 384×288 12μm; aperture F0.9; mount M31×0.75; distortion 1.50%.
| Model | LS-SLWIRJ8 |
|---|---|
| Focal length | 13 mm |
| Aperture | F0.9 |
| Sensor | 384×288 12μm |
| Angle of view (deg) | 25.2°(D)×20.2°(H)×15.1(V) |
| Distortion | 1.50% |
| Relative illumination | 0.96 |
| Focus method | Fixed |
| Focus range | 0.5m~∞ |
| Mechanical back focal length | 7.43 mm |
| Mount | M31×0.75 |
| Dimensions | dia. 31 x L22.5 mm |
| Operating temperature | 40℃ to +80℃ |
| Weight | <33g |
| Sealing | Front IP 67 |
| Front lens coating | Diamond-like carbon film |
| Shipping weight (estimated) | 0.15 kg |
Photo shows a representative model of this series; see the specifications for this model.