50 mm, F1.2 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 F1.2; mount M33×0.75; distortion 0.82%.
| Model | LS-SLWIRJ4 |
|---|---|
| Focal length | 50 mm |
| Aperture | F1.2 |
| Sensor | 640×512 17μm |
| Angle of view (deg) | 15.6°(D)×12.26°(H)×9.84°(V) |
| Distortion | 0.82% |
| Relative illumination | 0.92 |
| Focus method | Manual focus |
| Focus range | 3m~∞ |
| Mechanical back focal length | 8 mm |
| Mount | M33×0.75 |
| Dimensions | dia. 51 x L58.8 mm |
| Operating temperature | 30℃ to +70℃ / Non-athermalized |
| Weight | <120g |
| Sealing | Front IP 67 |
| Front lens coating | DLC |
| Shipping weight (estimated) | 0.27 kg |
Photo shows a representative model of this series; see the specifications for this model.