The lightwave premium 8 24mm zoom ler eyepiece has a wide 40 60apparent field of view and is great for general purpose viewing the long eye relief means you can position your eye 18mm from the eyepiece lens making this is a comfortable eyepiece for beginners and experienced observers alike while still being compatible with eyeglasses a 9 element computer optimized design makes the most of the fully multi coated optics to provide exceptional contrast and clarity across a wide visual field