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Visual tube

Observation through the visual (telescope) tube - and in this it differs from the binoculars is one eye. But, in many cases, to telescope attached mount and tripod. However, to judge about what is more convenient to use binoculars or a pipe - does not make much sense: these devices are intended for use in different circumstances and for quite different objects. In binoculars it is great to see far-flung panorama of the wild nature or for a long time, spellbound to look at the towering ancient tower in the distance.

But in the case that You need to consider any little thing like sitting ducks, is more suitable telescope. Because the telescope is specifically designed for detailed inspection of the remote "little things" have far greater magnification than binoculars. (30, 50, 60 and even 100 times). If we talk about "classic", built in telescopic scheme (the eyepiece lens, a relay lens system) of the optic tubes, the longer the pipe, the more powerful the more its multiplicity. To avoid the inconvenience associated with the overall, most powerful pipe made sliding. In recent years, however, rapidly developing industry is not sliding pipes, in which the compactness is achieved through the use of mirror and prism inverting systems.

Telescopes can be classified under the following categories:
1. Small pipe with a small (20-30 mm) diameter lens. Have the lowest frequency compared to the pipes of all other categories: 8 to 20 times. Designed for a wide range of the user. Compact pipe with an original design - a very good souvenir.
2. Conventionally, from small pipes can be separated following the category pipe - monoculars. They also increase does not exceed usually 20 times. Typically, the prism monoculars have the system on the basis of the prize Poro or Roof. Monoculars represent, in fact, like "halves" from based on the same prism binoculars. The advantage of monocular before binocular in a compact and twice lower weight. And, of course, in a small price. As small tubes, eyepieces are used without a tripod.
3. Telescopes of average capacity differ from previous categories large size and greater magnification, which reaches 50. Many models of tubes average power ratio can be adjusted in a very wide range. Surveillance can and holding a pipe in his hand, and setting it on a tripod. Telescope of average power may be of interest to the zoologist, which device will provide an excellent opportunity to monitor game birds; sea rescuer in need of the pipe in order to detect in time to swim for the buoys and swimmers to come to the rescue; and, finally, lover of sports, who failed to get a ticket in the front rows. Probably in a pipe of average power was watching Sherlock Holmes old barrator from the film about the hound of the Baskervilles.
4. The fourth category consists of powerful and very powerful spotting scope. Characterized by large dimensions and considerable weight, these tubes have lenses with a diameter from 60 mm to 100 mm In pipes of this type have a mechanism of change of magnification. Another advantage of some models is that by using special adapters through the telescope you can take pictures and even shoot video. Are breathtaking wildlife film.

A powerful and particularly powerful telescope is designed for stationary observations implied the installation of the pipe on a tripod.

"RONBO.RU" Moscow