Orion 8242 5mm Stratus Wide-Field Eyepiece The ultimate in viewing comfort - our 5mm Stratus telescope eyepiece sports a monster 1-1/4"-diameter eye lens and a generous 20mm eye relief An ideal eyepiece for high-power yet wide-field views through a telescope of the Moon, planets and bright deep sky objects Large 68-degree apparent field of view for a nice and wide window into the heavens Fully multi-coated optical elements feature blackened lens edges for maximized light transmission and excellent contrast Usable in both 1.25" and larger 2" telescope focusers thanks to its dual-purpose body