The Skywatcher Planetary eyepieces are ideal for high magnification on your telescope, as needed when observing fine planetary and lunar details. The design is based on a modified Plössl. The fully multi-coated, five-lens eyepiece has a field of view of 58 degrees and is characterized by low distortion, high contrast and high comfort during observation. The eyepieces have a foldable and adjustable rubber eyecup and a generous eye relief of 16mm, which makes them comfortable for spectacle wearers. The eyepieces are equipped with corrugated rubber grip rings and a thread for standard 1.25″ filters. Scope of delivery: 7mm eyepiece with 1.25″ receptacle dust caps! Power supply and batteries are not included!