How to Choose Eyepieces for Your Astronomical Telescope?

1. The Role of the Eyepiece

Simply put, an eyepiece functions like a magnifying glass that further enlarges the real image obtained through the telescope. This is particularly helpful for observing celestial bodies and close binary stars. It allows us to see astronomical objects more clearly and to spot distant entities.

2. How is the Magnification of an Astronomical Telescope Calculated?

The magnification is actually the ratio of the focal length of the objective lens to the focal length of the eyepiece, calculated as:

Magnification = Focal Length of Objective Lens / Focal Length of Eyepiece

By changing the eyepiece, you can increase the magnification for your observations. Increasing the magnification allows you to see farther celestial objects and finer details; however, using shorter focal length eyepieces may result in a narrower field of view and can cause the observed image to become blurry.

3. Why Choose the Svbony SV131 plossl eyepiece set ?

SVBONY SV131 Plossl Eyepieces  is made from metal, free from unpleasant chemical odors, and features a foldable eye guard made of soft rubber.

To maximize the potential of your astronomical telescope, it is best to equip it with multiple eyepieces suited for different observation purposes and needs. This will ensure that can fully utilize telescope's capabilities.