Please fill the form to let us know your need.
Our sales will get in touch with you ASAP.
The 121mm F1.2 infrared athermal lens is designed for superior long-range imaging in varying thermal environments. Its athermal properties ensure consistent focus and image quality without the need for manual adjustments, ideal for high-stakes applications such as military surveillance, border control, and critical infrastructure monitoring. To understand infrared athermal lenses better, get in touch with CNGEIR.
| Focus Length (f) | 121mm |
| Aperture (F) | 1.2 |
| Spectrum | 8~12μm |
| FOV | 7.3°X5.8° |
| Coating | AR |
| Transmittance | >88% |
| Detector | 1280X1024(12μm) |
| Focus Mode | Athermal |
| Focus Range | 5m~∞ |
| Rear Working Distance | 17.48mm |
| Mount Type | M45×1.0 |
| Size | φ110/L120mm |
| Weight | 785g |
| Working Temp | -40℃~60℃ |
| Storage Temp | -40℃~80℃ |
| IP Grade | IP67 |

Call us on:
Email Us:
No.9 Zhongxing East Road, Lishui Economic Development Zone, Nanjing, Jiangsu, China