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2. Night-vision device - Wikipedia

   en.wikipedia.org/wiki/Night-vision_device

   The device enhances ambient visible light and converts near-infrared light into visible light which can then be seen by humans; this is known as I 2 (image intensification). By comparison, viewing of infrared thermal radiation is referred to as thermal imaging and operates in a different section of the infrared spectrum.

3. AN/PSQ-20 - Wikipedia

   en.wikipedia.org/wiki/AN/PSQ-20

   The AN/PSQ-20 Enhanced Night Vision Goggle (ENVG) is a third-generation passive monocular night vision device developed for the United States Armed Forces by ITT Exelis.It fuses image-intensifying and thermal-imaging technologies, enabling vision in conditions with very little light.

4. Binoculars - Wikipedia

   en.wikipedia.org/wiki/Binoculars

   8×42 roof prism binoculars with rainguard and opened tethered lens caps. Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects.

5. Telescopic sight - Wikipedia

   en.wikipedia.org/wiki/Telescopic_sight

   A totally different approach recently developed, which has been applied in the ELCAN DigitalHunter series and the ATN X-Sight series, essentially uses a video camera system to digitally capture, process and display a virtual reality image of the target into a small flat panel display built inside the eyepiece, often with additional built-in ...

6. Large Binocular Telescope - Wikipedia

   en.wikipedia.org/wiki/Large_Binocular_Telescope

   LUCI (originally LUCIFER: Large Binocular Telescope Near-infrared Spectroscopic Utility with Camera and Integral Field Unit for Extragalactic Research) is the near-infrared instrument for the LBT. [20] [21] [22] The name of the instrument was changed to LUCI in 2012. LUCI operates in the 0.9–2.5 μm spectral range using a 2048 x 2048 element ...

7. Alabama and Tennessee River Railway - Wikipedia

   en.wikipedia.org/wiki/Alabama_and_Tennessee...

   The Alabama and Tennessee River Railway (reporting mark ATN) is a shortline railway operating (via lease) over trackage formerly operated by CSX Transportation. The line's western terminus is a junction with the CSX (former Louisville and Nashville Railroad ) main line in Birmingham, Alabama , near CSX's Boyles Yard.