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How to Buy a Telescope Eyepiece

Every amateur astronomer who owns a telescope should have several eyepieces because changing them allows for viewing objects at various magnifications.

Things You'll Need

  • Barlow Lenses
  • Telescope Carrying Cases
  • Telescope Eyepieces
  • Telescope Filters
  • Telescope Focal Reducers
  • Telescopes
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Instructions

    • 1

      Buy a telescope with at least a 1 1/4-inch eyepiece: the industry standard size.

    • 2

      Purchase a variety of eyepieces to view objects at different magnifications. Swap eyepieces to find the one that works best for a particular object.

    • 3

      Know that the more expensive an eyepiece is, the more lens elements it has and, subsequently, the wider field of view it has.

    • 4

      Be aware, however, that amateur astronomers don't necessarily need eyepieces with complicated lens elements.

    • 5

      Consider purchasing a Barlow lens, which is used in conjunction with an eyepiece and increases magnification. It will double or triple the magnifying power of your eyepiece collection.


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