Blunith 7513S 75mm F1.3 LWIR Lens
This infrared lens is developed for extended-range thermal imaging applications, delivering dependable performance and system compatibility.
Focal Length
75mm
F/#
1.3
Working Band
8-12 μm
Transmittance
≥ 90%
Product features
Thermal imaging advantages
- Equipped with a manual focus system, it provides sharp imaging from 2 m to infinity. Its longer focal length enhances target detection capability, making it ideal for long-distance observation tasks. The lens is optimized for high-sensitivity detectors.
- Equipped with a manual focus system, it provides sharp imaging from 2 m to infinity. Its longer focal length enhances target detection capability, making it ideal for long-distance observation tasks. The lens is optimized for high-sensitivity detectors.
Technical data
Specification table
| 7513S 75mm F1.3 | |
|---|---|
| Property | Value |
| Focal Length | 75mm |
| F/# | 1.3 |
| 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 | 2m – ∞ |
| Operation Temperature | -40℃ to 80℃ |
| Sealing | IP67 |
| Lens Material | IRG 206 |