50 mm, F0.9 LWIR Thermal Lens. Long-wavelength infrared (LWIR) thermal lenses designed for commercial and military applications. At a glance: focal length 50 mm; sensor 640×512 17μm; aperture F0.9; mount M57×0.75; distortion 1%.
| Model | LS-SLWIRG9 |
|---|---|
| Focal length | 50 mm |
| Aperture | F0.9 |
| Sensor | 640×512 17μm |
| Angle of view (deg) | 11.1°(D)×8.7°(H)×7°(V) |
| Distortion | 1% |
| Relative illumination | 0.92 |
| Focus method | Manual focus |
| Focus range | 5m~∞ |
| Mechanical back focal length | 11.2 mm |
| Mount | M57×0.75 |
| Dimensions | dia. 64 x L43 mm |
| Operating temperature | 40℃ to +80℃ / Non-athermalized |
| Weight | <173g |
| Sealing | Front IP 67 |
| Front lens coating | DLC |
| Shipping weight (estimated) | 0.34 kg |
Photo shows a representative model of this series; see the specifications for this model.