Telescope

Spyglass is a tool for viewing terrestrial objects. It has similar functions to the telescope, but with a portable design and easy to wear. They are better than the telescope, and is located between the telescope and the telescope. As for the cost and features, is also the same rank before the twins and lower the telescope. They are usually used for bird watching and nature watching. It can also be used to view the night sky canBut merely getting the moon and the stars in the sky. If additional information is necessary in the sky are, this tool does not support and use a telescope.

The technical aspect of the scope is much to discuss. First, the magnification that the use of the instrument offers. In the normal case when the field is small, the magnification is high. The range of magnification range is 15 - 60x. The aim is also found inmany ways. The size of the diameter of the lens depends on the power of magnification when enlarging target size is also larger. This opening is 50 to 80mm.

The types of optical lenses and glasses are the catadioptric type. Telescope in the way it uses the glass to reveal, is durable, low maintenance, simple design, has a focal length shorter and less expensive. In the catadioptric type used in the mirror, has a long lens, the magnification is more, it issensitive and is considered good for long distances.

There are also increasing their eyes may be affixed to the performance of the telescope. It 'available in various levels and the user can easily change depending on the situation. There is also a zoom eye and are used to display the details of displaying images.

The design of the telescope can be useful, and many of them have rubber outer shell which makes it waterproof. L 'nitrogen gas is evidence of fog. There is a button to control the fire, which can be easily adapted. It can also be used with a tripod for more convenient viewing. , Says that the three types of finish are only the size, scope and shoulder tilted upward as the benefits in the short and another goal for the same magnification.