Athermalized lenses are specifically engineered to maintain consistent optical performance even under varying temperature conditions. Unlike traditional lenses that are prone to shifting focal lengths and image distortion when exposed to temperature changes, athermalized lenses ensure stable performance, minimizing the effects of thermal expansion and contraction. This makes them ideal for high-precision applications that demand reliable focus regardless of environmental temperature fluctuations.

- Temperature Stability: Designed to mitigate the effects of temperature variations, ensuring consistent focus and optical performance.
- High Quality: Manufactured using advanced materials and coatings to guarantee superior image quality across different wavelengths.
- Wide Range of Models: Available in various focal lengths and configurations to suit different optical system requirements.
- Durability: Built to withstand challenging environments, making them suitable for both industrial and scientific applications.
Example Models
Models | SOT-A2510-617 | SOT-A6012-612 | SOT-A7510-8012 |
Focal Length | 25mm | 60 mm | 75mm |
F/# | 1.0 | 1.2 | 1.0 |
Spectral Range | 8µm – 12µm | 8µm – 12µm | 8µm – 12µm |
Detector | 640×512 17µm | 640×512 12µm | 1280×1024 12µm |
Field of View (FOV) | 24.55° × 19.75° | 7.32° × 5.86° | 11.69° × 9.37° |
Operating Temperature | -40°C ~ +60°C | -40°C ~ +60°C | -40°C ~ +60°C |
Front Lens Coating | AR | AR | AR |
Lens Type | Athermalized | Athermalized | Athermalized |
Weight | <44g | <143.5g | <295g |
Available Models
| Model | Focal Length (mm) | F-No. | Model | Focal Length (mm) | F-No. | |
| SOT-A0810-612 | 08 | 1.0 | SOT-A5010-617 | 50 | 1.0 | |
| SOT-A1010-612 | 10 | 1.0 | SOT-A5011-617 | 50 | 1.1 | |
| SOT-A1510-612 | 15 | 1.0 | SOT-A5012-8012 | 50 | 1.2 | |
| SOT-A1910-8012 | 19 | 1.0 | SOT-A5510-612 | 55 | 1.0 | |
| SOT-A2510-617 | 25 | 1.0 | SOT-A6010-612 | 60 | 1.0 | |
| SOT-A2510-8012 | 25 | 1.0 | SOT-A6011-8012 | 60 | 1.1 | |
| SOT-A3510-617 | 35 | 1.0 | SOT-A6012-612 | 60 | 1.2 | |
| SOT-A3512-617 | 35 | 1.2 | SOT-A6012-8012 | 60 | 1.2 | |
| SOT-A4010-8012 | 40 | 1.0 | SOT-A7512-617 | 75 | 1.2 | |
| SOT-A4012-612 | 40 | 1.2 | SOT-A7512-8012 | 75 | 1.2 | |
| SOT-A4511-8012 | 45 | 1.1 | SOT-A9009-8012 | 90 | 0.9 | |
| SOT-A4512-617 | 45 | 1.2 | SOT-A9012-612 | 90 | 1.2 |
Please contact us for pricing and availability. Customization is available.
- Thermal & Infrared Imaging: Essential for IR systems where even slight temperature shifts can ruin data accuracy.
- Advanced Surveillance: Guarantees sharp security footage in outdoor environments subject to extreme day-night cycles.
- Laser Systems: Maintains beam consistency and accuracy in manufacturing and medical laser equipment.
- Scientific Research: Provides the high-level stability required for telescopes, microscopes, and laboratory sensors.