Binoculars 8x21

The first number in the binoculars’ model number represents the magnification. It specifies how much larger an object appears compared to when viewed with the naked eye.

Relates to the beam of light emitted by the eyepiece. The exit pupil is closely associated with the brightness of a pair of binoculars.

Coatings on optical surfaces have the job of minimising annoying reflections. In this way light transmission and contrast is increased.

The eyecups are located on the eyepieces and protect they eyes from stray light.

Watertight optics are equipped with special seals and are gas-purged. This is usually with nitrogen or argon gas. Since these gases are heavier than air, they cannot escape.

These eyepieces have a relatively large eye relief. It is possible to wear spectacles while observing and still benefit from a comfortable viewing position.

On these models, the compass display is usually shown in a small part of the field of view. A distinction is made between digital and manual versions.

The visible field in meters, that can be seen from a distance of 1,000 meters. This information is often more easily visualised as an angular measurement.

Binoculars are usually equipped with an armouring that protects the binoculars and makes them easier to grip.

You are fascinated by the stars, but don't want to set up telescope right now? You can immerse yourself in the world of astronomy using many binoculars.

Blackbird, thrush, finch or starling?
Binoculars helps to spot and identify the bird.

Even the sailors of old used binoculars to orient themselves on the high seas. In some cases, modern binoculars even offer a built-in compass and a reticle for estimating distances.