SVBONY 68 degree ultra wide long eye relief eyepiece with a comfortable wide field for planetary observing, super wide 68 degree apparent field offers expansive views of the moon; star clusters; and the milky way. Red filter; used in large telescopes, it sharpens boundaries and increases contrast on Mars, sharpens belt contrast on jupiter, and brings out surface detail on; blue filter; it provides detail in atmospheric clouds on mars, increases contrast on the moon, brings out detail in belts and polar features on saturn, enhances contrast on jupiter's bright areas and cloud boundaries. It also helps split the binary star antares when at maximum separation.