When choosing a telescope there are many different characteristics that come into play, but arguably the two most important factors will be your desired focal length and aperture. People often focus on the magnification of the telescope, which is actually less important than the instrument’s ability to collect more light than the observer’s unaided eye can. The main goal of any astronomical telescope is to gather light. Related Post: How to Use Your First Telescope visual, photography, planetary, deep-sky, etc.), your available budget, and the level of complexity you want to take on for your equipment set-up. If you are a beginner and looking to purchase your first telescope, it is recommended you have a clear vision of what you want to use it for (i.e. Setting up my Schmidt-Cassegrain telescope for a night of astrophotography. For astrophotography purposes, a compact apochromatic refractor is best.Ī Dobsonian telescope with a healthy aperture (8″ is perfect) is great for exploring the sky and enjoying real-time views of the brighter objects in the sky, while a refractor telescope is best used with a camera attached, to photograph faint deep-sky objects. I consider a Dobsonian Reflector to be the best telescope type for a beginner due to its combination of ease of use, function, and affordability. There are many variations and hybrid designs for each type. The three main types of telescopes are refracting telescopes, reflecting telescopes, and catadioptric telescopes. Soon after, Galileo improved on this refracting telescope design and applied its uses to astronomy. The first type of telescope ever designed was a refractor, designed by an eyeglass maker in the Netherlands in 1608. Telescopes come in a variety of designs, some of which have been around since the 1600s. There are many different types of telescopes available for those interested in exploring the night sky.
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