Night Vision
From Free Knowledge Base- The DUCK Project: information for everyone
- Active Illumination
- Image Intensification
- Thermal Imaging
Military NVGS
Active Illumination
Lowest cost. This is basically an infrared camera working with an infrared illuminator. Range is limited to distance of infrared source. Easily detectable. The light source is closer to the visual portion of the spectrum so that it is near visible yet still below human eye perception.
