35 mm, F1, Flange-mount LWIR Thermal Lens. Long-wavelength infrared (LWIR) thermal lenses designed for commercial and military applications. At a glance: focal length 35 mm; sensor 640×512 12μm; aperture F1; mount Flange; distortion 0.7%.
| Model | LS-SLWIRF4 |
|---|---|
| Focal length | 35 mm |
| Aperture | F1 |
| Sensor | 640×512 12μm |
| Angle of view (deg) | 15.9°(D)×12.49°(H)×10.02°(V) |
| Distortion | 0.7% |
| Relative illumination | 0.91 |
| Focus method | Manual focus |
| Focus range | 3m~∞ |
| Mechanical back focal length | 4.89 mm |
| Mount | Flange |
| Dimensions | 40.8 x 55.6 x 45.1 mm |
| Operating temperature | 40℃ to +80℃ |
| Weight | <134g |
| Sealing | Front IP 67 |
| Front lens coating | Diamond-like carbon film |
| Shipping weight (estimated) | 0.29 kg |
Photo shows a representative model of this series; see the specifications for this model.