Blunith 3590S 35mm F0.9 LWIR Lens
This infrared lens is engineered for flexible integration with various thermal imaging systems, offering a reliable and cost-efficient solution for high-performance applications.
Focal Length
35mm
F/#
0.9
Working Band
8-12 μm
Transmittance
≥ 90%
Product features
Thermal imaging advantages
- This infrared lens is engineered for flexible integration with various thermal imaging systems, offering a reliable and cost-efficient solution for high-performance applications.
- Featuring a manual focus design, it delivers excellent imaging quality from 5 m to infinity. With high transmittance and low distortion, it ensures precise thermal detection. This lens is compatible with high-resolution detectors and supports demanding imaging scenarios.
Technical data
Specification table
| 3509S 35mm F0.9 | |
|---|---|
| Property | Value |
| Focal Length | 35mm |
| 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 | 5m – ∞ |
| Operation Temperature | -40℃ to 80℃ |
| Sealing | IP67 |
| Lens Material | IRG 206 |