5 Things to Consider with Reflector Telescopes - Good and Bad

There are three main types of telescopes including reflector, refractor, and cassegrain with each having their own defining characteristics. If you're looking to get into star gazing and are looking to understand the different types just a bit more, than the following will clearly define reflector telescopes.

Reflector telescopes are probably the most common among the three types. Just like the name suggests, reflector telescopes use a mirror to reflect the image to where it's visually seen to the eyes. It's the most common type and is visually noted as having a tube with an eyepiece at one end which is where one looks through.


Keep in mind that reflector telescopes reflect light into the eyepiece, so what the user is seeing is actually an upside down view. When looking at things in space this doesn't exactly matter as space doesn't have an up,down, left, or right, but when viewing objects that are not in space such as land viewing you'll see a backwards view.

Reflectors can be outfitted with special eyepieces called an erecting eyepiece which gives a true image of what's seen.

Below are 5 things to consider with reflector telescopes:

  • Cheaper per aperture than refractor and cassegrain telescopes
  • Require more care and maintenance than other types of telescopes
  • No chromatic aberration due to wavelengths reflect in the same way
  • Can be bigger than other types
  • Only one side of the objective needs to be perfect because light reflects off the objective instead of passing through it

If you're convinced, then check out this review which details the best reflector telescopes for astronomy.

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