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The ultimate guide to buying a telescope


When shopping for an optical instrument like a telescope, deciding on the very best one to spend money on will undoubtedly be depending on what you wish to use it for. Investing your cash in the very best telescope will help you get pleasure from a few years of enjoyment from astronomy. Shopping for low cost designs will present faint star gazing. Therefore, investing in a telescope manufactured by high-end manufacturers like Williams optics in Australia is sensible. Proper? There’s a large demand for optical devices in and round Australia. Exports of optical gadgets and equipment in Australia averaged 3.12 AUD million from 1988 till 2022. It reached an all-time excessive of 26 AUD Million in November 2019.

Nonetheless, shopping for the appropriate one will take numerous work. You will see many choices to select from; one must make a number of concerns whereas choosing the proper telescope, which makes the choice difficult. So to provide you ease, here’s a fast information on shopping for a telescope. Learn on!

Issues to think about when shopping for a telescope

Varieties of telescopes

There are three kinds of telescopes- Reflector, refractor and Cassegrain. However in case you are a first-time purchaser, it is best to take into account solely the primary two sorts. Cassegrain telescopes are additionally very good, however they’re a bit superior and sophisticated for first-time patrons.

Refractor- It’s a telescope that makes use of two or extra lenses to assemble and refract gentle. The principle benefit of the Refractor Telescope is that they supply a extra crisp picture of the thing being considered and can be utilized for terrestrial viewing.

Reflector- These telescopes use spherical or parabolic curved mirrors to assemble gentle. They’re essentially the most economical kind of telescope for bigger sizes. Nonetheless, these telescopes can’t be used for terrestrial viewing and wish occasional upkeep to make sure it’s working at their finest.

Varieties of mounts

If you’re shopping for a telescope, you would wish a mount. You will see three kinds of mounts accessible within the market- Dobsonian, equatorial and altazimuth.

  • Dobsonian Mounts– These mounts use a lazy-susan model platform and a few type of hubs to maneuver in altitude.
  • Equatorial Mounts– These mounts require extra setup as they have to be adjusted to your latitude and aimed North; nonetheless, they’re much less intuitive than Altazimuth mounts.
  • Altazimuth mounts- These are easy mounts designed for the Altazimuth Mounted Telescopes in a easy up/down and left/proper.

Whichever mount you purchase, guarantee it’s robust sufficient to carry the optical tube with out wobbling.


The aperture is the diameter of the first lens or mirror of the telescope. The larger it’s, the extra gentle the telescope gathers. Therefore, extra gentle gathering means higher and brighter photos. Nonetheless, keep away from shopping for telescopes that declare to supply extra magnification like 300x, 600x, and many others.; it is a certain signal of poor high quality. A good commercially bought telescope normally begins about 60 mm in dimension and goes about 20” in diameter or extra. The large drawback with shopping for extra aperture is that it will increase the scale and weight of the telescope.

Different concerns

Moreover the above talked about issues, you could take into account just a few extra issues when shopping for a telescope manufactured by Williams optics in Australia.

Eyepieces- If you’re a newbie, it is best to pay particular consideration to them. Be certain that the telescope you purchase comes with eyepieces which can be Kellner or ideally Plossi design. Each telescope comes with 1 or 2 eyepieces.

Finder scope- It’s a small telescope that sits on the highest of the primary optical tube and helps goal the telescope in the appropriate course.


After going by way of this text, you can also make a way more knowledgeable choice about what kind of telescope you can purchase.

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