Orion 8922 15mm Expanse Telescope Eyepiece This 15mm telescope eyepiece offers a wide field of view and superior optical performance at a bargain price Wide 66 degrees apparent field of view lets you see more of the night sky through your telescope Nice 13mm eye relief provides a comfortable view - no squinting required! Delivers sharp images with good color correction and contrast Aluminum eyepiece barrel is internally blackened to eliminate light scattering, and is threaded to accept 1.25" Orion filters