Binoculars

Need to buy binoculars? To make the right choice, it is worth understanding the types of binoculars, their features and specifics.

Main technical characteristics of binoculars

The main parameters when choosing binoculars are the magnification and the diameter of the lens.

The first parameter is responsible for how many times the binoculars will reduce the distance to the object of observation. So binoculars with a magnification factor of 10x will visually bring the object closer to you 10 times, with a magnification factor of 20x - 20 times.

The second parameter is the lens diameter. The larger the diameter of the lens, the more accurate the picture will be and the more data the lens will be able to capture.

These parameters are the most important and are often taken out by manufacturers in the name of the model, as a marking. For example, the designation 20x50 will mean that the device magnifies 20 times, and its lens diameter is 50 mm.

The next most important parameters are the diameter of the exit pupil, twilight factor, field of view and aperture ratio.

Exit pupil diameter is the ratio of objective lens diameter to magnification. The higher the indicator, the more light enters the lens of the eye. This indicator is important if you will use binoculars in the evening.

The twilight factor is responsible for the level of detail in an image in low light.

The field of view is responsible for the width of the image that can be seen through binoculars. The value of this indicator is directly related to the magnification indicator, the greater the magnification, the smaller the width of the area that is visible.

Aperture is responsible for the brightness of the image. The higher this value, the brighter the image. This parameter is especially important if the binoculars are used in the evening.

When choosing binoculars, it is worth deciding what it will be used for and in what conditions.

Main types of binoculars

Opera glasses. In this type of binoculars, the optics are quite simple, they serve more as an accessory, a beautiful souvenir with an interesting antique design.

Children's binoculars. For a child, a simple model of binoculars with PORRO or ROOF prisms, a lens diameter of about 25-40 mm, is light and compact.

Tourist, hunting binoculars. This type of binoculars must have good optics, a quality body and mechanics to withstand possible damage.

Fishing binoculars. Such binoculars must first of all be sealed and waterproof, they also often have a special goniometric grid for convenience, lenses with separate focusing and filled with nitrogen. For fishing, 7x50 models are most often used.

Marine and military, army binoculars. These binoculars are used for reconnaissance. It must be powerful, high-quality and professional. It is very important that the device is reliable, has complete tightness, resistance to shock and ingress of moisture or dust. These binoculars use custom focus, rangefinder scale, compass and backlight.

Astronomical binoculars. To observe astronomical objects, a lens with a diameter of 60 mm or more, a magnification of at least 20, a tripod is required.

Also in this classification there are field and artillery binoculars.

If we talk about additional equipment and features of binoculars, then there are digital and electronic binoculars on the market, with digital vision, with a thermal imager and many other features.

You can choose and buy binoculars at 130.com.ua with delivery to Kyiv, Odessa, Kharkov, Dnipro and Ukraine.