35 mm, F1 LWIR Thermal Lens. Long-wavelength infrared (LWIR) thermal lenses designed for commercial and military applications. At a glance: focal length 35 mm; sensor 384×288 12μm / 384×288 17μm; aperture F1; mount M33×0.5; distortion 0.19% / -0.33%.
| Model | LS-SLWIR77 |
|---|---|
| Focal length | 35 mm |
| Aperture | F1 |
| Sensor | 384×288 12μm / 384×288 17μm |
| Angle of view (deg) | 9.43°(D)×7.54°(H)×5.66°(V) / 13.34°(D)×10.68°(H)×8°(V) |
| Distortion | 0.19% / -0.33% |
| Relative illumination | 0.98 |
| Focus method | Fixed |
| Focus range | 2m~∞ |
| Mechanical back focal length | 11 mm |
| Mount | M33×0.5 |
| Dimensions | dia. 47.6 x L48.5 mm |
| Operating temperature | 40℃ to +80℃ |
| Weight | <100g |
| Sealing | IP 67 |
| Front lens coating | HD |
| Shipping weight (estimated) | 0.24 kg |
Photo shows a representative model of this series; see the specifications for this model.