SVBONY 1.25" fully coated eyepiece is perfect for broad field lunar observations medium sized star clusters and wide range of cloudy nebulas;deep sky targets. New to star gazing and didn't know what you need to satisfy your needs;here is something can help you make an educated decision;things to consider: Make sure that you know your telescope and how to calculate the optimal magnification for the objects you wish to view;the magnification equation:Magnification=objective focal length/eyepiece focal length. Typically;you do not want to exceed 50x per inch of your telescopes diameter or the images will be blurry;for example;you have an 8" lens you get 8x50=400x. SVBONY 1.25” moon and skylow is a multi-band pass filter transmitting a high percentage of light in the visual spectrum;the filter enhances
contrast when observing brighter objects including the moon and planets.It also will suppress sky glow from artificial lighting and background glow reflected when the moon is up. Mild effect of darkening background of the night sky. So that the fainter objects is more clearly seen contrasted against the blackness of space.