How to use Night Vision device?
Whether fishing, camping or watching the nature, night vision technology has made great progress and has become a price that ordinary consumers can afford. Their use is far beyond the scope of this article. Consumers’ main expected applications will determine which type of device is the best and the quality required.
Low-cost 1st generation equipment is ideal for nighttime applications, such as finding keys to put down when building a camp in the dark, handling fishing tackle or observing natural light behavior while fishing at night. They can find birds and animals at night, but their range is small and identification details can only be seen in the closest encounter. As mentioned earlier, the quality of 1st generation devices varies widely, and very low cost products can disappoint beginners. For consumers who don’t just want a new toy that will eventually enter the closet, choosing a good product is crucial.
For more advanced night observations, 2nd and 3rd generation night vision devices are worth the added cost and offer more possibilities. The extended range, greater light magnification, clearer images and smaller edge distortions open up fields of vision and possibilities for discovering nature and seeing details for identification.
Many consumers are learning about this technology as the devices become more affordable. Night vision devices are becoming very popular because they open the nighttime world to see what has always been hidden in a cloak of darkness. They are very different from daytime optics and take some time to learn how to use effectively. It is a bit like using a pair of binoculars for the first time. There is a period of time needed to learn how to find things in the view and focus on them quickly. Night vision devices take practice to master all the advantages they offer.
In the case of natural observation (which is our main consideration for these devices), there are many animals and birds that only move at night, and good night vision equipment can be an invaluable tool. Not only will there be many animals and birds that are mainly active at night (night activity), but many animals and birds that will be active day and night (mainly during the day) will allow observers in the dark to get closer.
Ducks and water birds will let you approach much closer at night and are just generally cautious of you while using night vision device but try turning on a light and they will be in flight in short order. Eye shine can be a real help in finding birds and other animals at night. It is true that the IR illuminator will make the eyes of owls and other night creatures really shine and stick out. Forests to oceans and camping to boating, night vision device opens new exciting frontiers for seeing in the night that has never been possible or affordable before.
Buying new devices these days usually takes a while to learn how to use the controls and master them. If you are used to using daytime optical systems, you need to learn a few things. Generally, night vision devices have three controls: an “on / off” switch, eyepiece focus, and front lens focus.
Some night vision devices have separate switches for main power and infrared illuminator, while other night vision devices have a switch that switches from off to main power on, then both main power and infrared illuminator are on, and finally off. The switches also control two indicators: a green LED for the main power supply and a red LED for the infrared illuminator. It is important to be aware of these LEDs, as the IR illuminator beam is not visible to the naked eye, and keeping them on may drain the battery unnecessarily. Some models also have infrared illuminator controls that adjust from wide-field illumination to a narrow beam.
Focusing on night vision equipment is a two-step process. First, focus the eyepiece. The easiest way is to place the eyepieces in a well-lit environment without removing the protective lens cap. It doesn’t matter if the objective is in perfect focus, it tells you when you have the best focus on the eyepiece-just find where the image is sharpest. Once set, the focus should not change for a given individual because the distance from the eyepiece to the phosphor screen is fixed. However, the focus ring of some components is very loose. For these, a small piece of tape holds the focus ring in place.
After setting up the eyepieces, you can focus them on different areas or observed objects by simply adjusting the objective lens.
The fourth control available on some night vision devices is the aperture ring. Similar to the aperture of a camera lens, this ring controls the amount of light entering the device. This is useful for dimming or brightening the display for a comfortable lighting effect.
Extending the capabilities of night vision and add-ons
Accessories and add-ons include:
- AC power adapter.
- The bullet shield will be stuck on the eyepiece of the device to prevent condensation from forming on the optical components.
- The magnetic compass displays compass readings directly on top of the night vision scene. It automatically focuses to simplify operation and is activated by a momentary pressure switch, which illuminates the compass’s position, but does not reduce the field of low light.
- Sacrificial Windows, like UV filters in daylight photography, get put in front of the objective lens and prevent it from getting scratched. They are much less expensive than replacing an entire night vision device.
- Auxiliary lens for increasing the magnification of the device.
- Beacons are infrared illuminators placed in the landscape rather than on night vision devices. They can be used to define routes or flood areas to the IR, so the location of the viewer is not displayed.
- Camera adapters connect cameras and camcorders to night vision devices to record what you watch.
- Goggle kits come in many configurations, but usually include some type of head-mounted system, one or more auxiliary lenses, perhaps a teleconverter infrared illuminator, a camera or camcorder adapter, and a suitcase.
Night Vision Device Care and Handling
Night vision devices are electronic instruments and will not stand careless or exceptionally rough use. Contrary to this many models are waterproof and have durable designs to withstand typical outdoor use. Those that are not specifically rated for damp conditions (waterproof or weather-resistant) may be damaged by exposure to water or even high humidity.
Night vision device is not easily affected by or affected by airport X-ray machines, and it is absolutely safe to pass baggage security checks. First-generation (or first-generation) devices can be brought in and out of the country for free. Second- and third-generation night vision devices are regulated by the State Council, and their movements are restricted worldwide.
Another level of warning for night vision devices is to avoid looking directly into the lights or using them in daylight, as this may damage the device. Generally, this unit should not be used if it is not equipped with a “gated” light tube, or if it is bright enough to be seen without equipment. Otherwise, looking directly at strong light, such as a strong flashlight, car headlight, projector, etc., may permanently damage the device. Most night vision devices today are equipped with special “cut-off” circuits to interrupt power when the device is exposed to strong light. Second- and third-generation devices also integrate automatic image brightness control to help prevent accidental bright light exposure and subsequent damage.
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- Night vision devices have many nighttime applications for consumers. The devices have opened the doors to seeing in the darkness and exploring nocturnal activities, at a reasonable cost, that were not possible before.
- Looking through night vision devices is different than the cameras and binoculars we are used to and take practice to use and operate.
- There are several optional devices that can be added to extend the capabilities, function and protect a night vision device.
- Night vision devices are electronic instruments that will not withstand excessive rough use. They might be considered closer to a nice camera for durability rather than a pair of binoculars.