Jinglestar 1.25inch No12 Planetary Filter for Telescopes Eyepiece (Yellow)-Enhances red and Orange Features on Jupiter and Saturn Help greatly in viewing Mars by bringing out the polar ice caps, enhancing blue clouds in the atmosphere,increasing contrast, and brightening desert regions. Enhances red and orange features on Jupiter and Saturn and darkens the blue festoons near Jupiter's equator The filter will fit all standard sized 1.25" eyepieces and accessories. Can be threaded on both sides for stacking with other filters if necessary Comes with sturdy plastic case-proect the eyepiece from dust and moisture Mounted in a nicely anodized housing