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Gear & Gadgets:Binoculars and Optics:National Geographic Night Vision Monoculars
National Geographic Night Vision Monoculars

National Geographic Night Vision Monoculars

National Geographic Night Vision Monocular - 4x Magnification

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Our lightweight and compact night vision monoculars extend your explorations to the once unknowable realms of darkness so you can see what wildlife roams at night. The state-of-the-art intensifier tube provides the brightest image possible with 2X or 4X magnification. If you need to see in complete darkness, switch on the powerful integrated infrared illuminator. Multicoated glass optics allow a wide field of view at 200 feet and feature precise click-ocular focusing. Housed in a rubberized, ergonomic, water-resistant body.

These items cannot be shipped outside of the U.S. and Canada.

2X Magnification

  • Generation 1
  • 2X magnification
  • 24mm lens
  • 29° field of view
  • 70-foot field of view at 200 feet
  • 5 1/2"L x 2 1/4"W x 3 3/4"H; 9.1 oz. without battery
  • One 3-volt lithium battery required, not included
  • 1' 7" minimum focus range
4X Magnification
  • Generation 1
  • 4X magnification
  • 50mm lens
  • 14° field of view
  • 56-foot field of view at 200 feet
  • 7 5/8"L x 2 13/32"W x 3 13/16"H; 14.5 oz without battery
  • One 3-volt lithium battery required, not included
  • 5' 9" minimum focus range

Night vision technology can dramatically increase the ability to see in situations that are too dark for the naked eye. Night vision devices gather existing moonlight, starlight, or infrared light and use an electrical and chemical process to transform photons (the particles that carry wavelengths of light) into electrons (the particles that carry electrical charge).

The electrons pass through a light intensifier tube and are projected on a phosphorous screen. Since the electrons carry no color information, night vision devices have monochromatic screens. Since the human eye is most sensitive to green light, green is the most often used screen color. Using night vision technology, the light from a dim star in a situation that we may perceive as "pitch black" to the naked eyecould be enough to illuminate an entire field.

First used in World War II and extremely valuable to troops in the Vietnam War, night vision technology has continued to evolve over the past 70 years. Because of this, devices are rated as Generation 1, 2, 3, and sometimes 4. GEN 1 devices are the most popular and are excellent for personal outdoor use—observing nocturnal wildlife, boating, and back country hiking, for example— and will produce light amplification of around 1,000x the available ambient light. Costs increase dramatically for later generation technology, which is most often used for law enforcement and military applications.

GEN 1 devices may produce a faint high-pitched noise when turned on, and will glow green for a few moments when turned off.