28 mm, F2.8, Flange-mount LWIR Thermal Lens. Long-wavelength infrared (LWIR) thermal lenses designed for commercial and military applications. At a glance: focal length 28 mm; aperture F2.8; mount Flange; distortion 1%; angle of view 8° (H)6(V).
| Model | LS-FAL0057-0H |
|---|---|
| Focal length | 28 mm |
| Aperture | F2.8 |
| Angle of view (deg) | 8(H)6(V) |
| Distortion | 1% |
| Relative illumination | 0.92 |
| Focus method | Fixed |
| Mount | Flange |
| Dimensions | dia. 15 x L31 mm |
| Weight | <20g |
| Sealing | Front IP 67 |
| Front lens coating | Multi-layer coating |
| Shipping weight (estimated) | 0.13 kg |
Photo shows a representative model of this series; see the specifications for this model.