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Buy Telescope In India At Affordable Price

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By Author: space arcade
Total Articles: 9
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The Telescopes are categorized in three categories depending upon the optics used.
Refractor Telescopes : Refractors use lenses as optics at both the ends of the tube to achieve Magnification. Galileo used a Refractor telescope around 400 years back. They are easy to use and require less maintenance. Refractors are used for both planetary observations and Astro Photography. Reflectors are majorly used when big aperture is required to view deep sky objects due to its economical value. Reflectors are also used for Astro Photography.
Catadioptric Telescopes: They are easy to use, compact and are power packed. They have large focal lengths to have better depth of the object, and the size of the tube is reduced drastically, thus it can be transported easily. It is also majorly used for Deep Sky Photography as well as Deep sky Visual Observation.
Dobsonian Telescopes : A Dobsonian telescope is variation of an alt-azimuth mounted reflector telescope. Dobsonian Telescope India are simple and easy to use. They are compact, rugged and portable and ...
... are great for deep sky viewing.
Tripods are stands on which the mounts are placed. Thus a Tripod supports a mount and the telescope/OTA. Tripods are of various types. Light or heavy, Aluminum or Stainless Steel.
Mounts the base on which OTA (Optical tube assembly) is fixed. Fundamentally there are two types of Mounts
Equatorial
Altazimuth
Dobsonian mount is basically an Altazimuth mount. GoTo or Computerised can be both Altazimuth and Equatorial.
All the above mounts can be controlled manually called Manual Mounts, through motor called Motorised Mounts and computerised called GoTo Mounts.
Manual : The movements are controlled manually. There are two types of movement which are called RA and DEC. RA movement is for achieving Azimuth movements or horizontal movements and DEC movements is for achieving altitude movements or vertical movements. But the movements are relative to the polar movement. It moves relative to polar axis movements.
Motorised : The movements are controlled by the help of gears which can be moved electronically to track the desired heavenly object.
GO TO : This is an automatic motorised machine which can point and track any object in the sky automatically with the help of a pre-fed database in its system. Hence the name GoTo. There are around 40,000 objects database normally fed in the system. The machine has to be initialised first by telling the co-ordinates (longitude and latitude) , local time and Altitude of North pole, where it is placed. There are various other techniques to initialize the machine.
A Laser Pointer is most commonly used to project a point of light to highlight items of interest during a presentation. Most laser pointers have low enough power that the projected beam presents a minimal hazard to eyes for incidental exposure. A beam of light is not in itself visible from the side, but only by light scattered by dust particles; the small width of the beam and low power of typical laser pointers makes the beam itself invisible in a reasonably clean atmosphere, showing a point of light when impinging on an opaque surface What is Spotting Scope and where it is used.


Spacearcade is an suppliers of High Quality Telescope in India and Nikon Binocular India. Get Economical Telescope, Refractor Telescopes, Dobsonian Telescopes, NIKON Binoculars, celestron binoculars at Affordable Prices.

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