Global Sports: Night Vision Scopes Which Are The Benefits Of Employing One?

Tuesday, August 23, 2011

Night Vision Scopes Which Are The Benefits Of Employing One?

By Harry Macdonald


The benefit of night vision is no longer just a thing in high-tech movies or installed on weaponry used by the military. These days, this technology is affordable and available to anyone. Many optical devices are now equipped with night vision technology including cameras, binoculars, monoculars, goggles, opera glasses, weapon sights and telescopes. Night vision scopes what are the benefits is no longer a question that needs to remain unanswered.

Binoculars are, in principle, two telescopes aligned next to each other pointing in the identical direction. When they have night vision (NV) the binoculars digitize an image and illuminate it. NV binoculars add an extra dimension to many activities. For example, they allow scientists to view animals at night in their normal habitats. For outdoor sporting enthusiasts like hikers and sailors, NV binoculars can dramatically improve safety. On smaller recreational vessels, they can be useful when navigating at night in waters crowded with reefs and shoals or those that may be littered with dangerous flotsam or other litter.

Similar to microscopes and other specialized optical instruments, NV binoculars have several lenses. The objective lens is positioned closest to the object under scrutiny or, in other words, the lens furthest away from the eyes of the viewer. This lens collects light from the viewed object. The magnification of that image is controlled by moving it closer or further from the objective lens.

In the same way that a camera lens aperture determines the amount of light entering the camera, the size of the objective lens controls the quantity of light that enters a set of binoculars. The light that enters NV binoculars varies according to the diameter (aperture size) of the objective lens. The bigger the objective lens, the darker the object an object can be and still be seen by NV binoculars.

When purchasing a set of NV scopes, it is also important to pay attention to the lens coating. The coatings on scope lenses are technological marvel unto themselves. The surface of lenses consist of many fine, intricate layers of chemical coatings that are important to their overall effectiveness.

For some applications, it is may be worthwhile buying water-shedding lens protectors. These protectors have a special coating designed to encourage water droplets to bounce off a lens surface. This reduces the need to repeatedly clean the lens and hence minimizes the risk of scratching.

A good pair of NV binoculars will cost hundreds of dollars. Selecting a pair deserves some research to ensure the selected set will best meet the needs of the user. One general point to remember is that even the finest set of binoculars will be useless unless they can be carried and used in the setting where they are needed.

For mariners, for example, binoculars need to be small and light enough to be comfortably slung around the neck, waterproof ad easily handled, even in wet conditions. They should be able to withstand complete immersion in water. Some form of rubberized exterior to protect the binoculars from damage if bumped or dropped is probably desirable.

In summary, it is easy these days to answer the question night vision scopes what are the benefits. The price of night vision equipment is readily affordable for most people, whatever their profession or hobby.




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