| 摘要 |
The present invention relates to an infrared lens module. The infrared lens module according to an embodiment of the present invention comprises: a first lens which receives an infrared ray emitted from a subject; a second lens which is positioned at the rear of the first lens in the optical axis direction and is made of a material different from the first lens, wherein the first lens includes germanium or a chalcogenide-based material so that the first lens can be used without a focal length correction depending on a temperature change. |
