When planning to buy binoculars, we should first of all think about what it will be. Only in this case the optical equipment we purchased will be able to have the most favorable combination of features, which we take into account.
Najważniejszymi cechami determinującymi działanie lornetek There are enlargement, Libra, dimensions, The degree of image brightness, field of view and optical quality. Apart from all these attributes, of course, you can't forget about the price.
The basic features of every binoculars, most often used in the descriptions in the form 2 numbers separated by the "x" sign is the enlargement and diameter of the lens in millimeters (front binoculars lenses), otherwise known as aperture, For example, 20 × 60 which means, that the binoculars have a twenty times enlargement, and the diameter of the lens is 60 mm. Such binoculars are very popular in our country. With the same magnification, Larger aperture gives a brighter picture. This is especially important in the case of optical astronomical equipment, mainly telescopes, but also during observation in not very favorable lighting conditions, at dusk and limited lighting.
Should be added, That The larger the diameter of the lens, the greater the sizes of the binoculars purchased, a im większe mamy powiększenie tym bardziej obraz może być niestabilny, and the natural trembling of hands will hinder observations. It is also worth paying attention to Waga binoculars, just to minimize the trembling of the upper limbs of our body just discussed.
When buying binoculars, we can take into account various purpose. Very often binoculars are used typically when traveling, here some nice mountains, A ship flows there, ciekawe jak wygląda z bliska ta kopuła katedry… It would be good that such binoculars are not very large, Her weight was small and would be waterproof and resistant to any shocks. An appropriate binoculars for this use will be one of the lornetek o powiększeniu 8-10 i aperturze (see previous article) kształtującej się w granicach 24-40 mm.
Jeżeli z kolei chodzi o obserwację przyrody (np: birds) It is worth getting interested in binoculars with 8 times enlargement and relatively high aperture 35-40 mm. Not very great enlargement allows you to eliminate problems related to hand trembling, In addition, binoculars of this type can be easily fitted in the backpack. A fairly large aperture will allow us to observe convenient observations during darkness and in a dark forest. Sometimes we manage to get close to the animal, Then it is useful to be able to focus on a short distance.
Jeżeli interesują nas stars, planets, Comet and other celestial bodies (in a word: Astronomy!) We should take care of the greatest possible średnicę obiektywu lornetki (of 50 mm upwards) The magnification is used well if it is within 7-10x, possibly when we are happy owners of a binoculars' tripod, It can be larger.
Najlepszym jednak rozwiązaniem do tego celu są lunety astronomiczne along with a tripod. They are big, heavy and more troublesome to transport, But their great aperture (80 do 100mm) It allows you to discover more and more newly nooks and crannies of the night sky.
