Blunith 5009S 50mm F0.9 LWIR Lens
Designed for compatibility with a broad range of thermal camera cores, this infrared lens provides a balanced solution between performance and cost for mid-to-long range applications.
Focal Length
50mm
F/#
0.9
Working Band
8-12 μm
Transmittance
≥ 90%
Product features
Thermal imaging advantages
- Designed for compatibility with a broad range of thermal camera cores, this infrared lens provides a balanced solution between performance and cost for mid-to-long range applications.
- Its manual focus mechanism enables clear imaging from 3 m to infinity. The optimized optical design ensures high image clarity and uniformity, making it suitable for surveillance and industrial monitoring. This lens supports high-resolution detector configurations.
Technical data
Specification table
| 5009S 35mm F0.9 | |
|---|---|
| Property | Value |
| Focal Length | 50mm |
| F/# | 0.9 |
| External Coating | HD |
| Working Band | 8-12 μm |
| Transmittance | ≥ 90% |
| Distortion | <1% |
| Relative Illuminance | >98% |
| MTF | 0F ≥ 0.30@42lp/mm |
| 0.8F ≥ 0.25@42lp/mm | |
| Focusing Type | Manual |
| Focusing Range | 3m – ∞ |
| Operation Temperature | -40℃ to 80℃ |
| Sealing | IP67 |
| Lens Material | IRG 206 |