Having a set of telescope eyepieces that allow you to observe large swaths of the night sky, as well as high magnification views of planets, is ideal.
The number of telescope eyepieces available is staggering. They come in a wide variety of magnifications and fields of view.  Having a set of telescope eyepieces that allow you to observe large swaths of the night sky, as well as high magnification views of planets, is ideal. A quality telescope eyepiece can last a lifetime if cared for properly.