50 mm, F1.1 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 12μm; aperture F1.1; mount M44×1.5; distortion 1.5%.
| Model | LS-SLWIR85 |
|---|---|
| Focal length | 50 mm |
| Aperture | F1.1 |
| Sensor | 640×512 12μm |
| Angle of view (deg) | 11.07°(D)×8.7°(H)×7°(V) |
| Distortion | 1.5% |
| Relative illumination | 0.9 |
| Focus method | Fixed |
| Focus range | 5m~∞ |
| Mechanical back focal length | 9 mm |
| Mount | M44×1.5 |
| Dimensions | dia. 54 x L49 mm |
| Operating temperature | Non-athermalized |
| Weight | <95g |
| Sealing | Front IP 67 |
| Front lens coating | HD |
| Shipping weight (estimated) | 0.23 kg |
Photo shows a representative model of this series; see the specifications for this model.