7mm Orion MegaView Ultra-Wide Eyepiece This 1.25" 7mm MegaView eyepiece boasts a 18.5mm ocular lens diameter and 12mm eye relief Offers a whopping 82deg apparent field of view for larger shots of land and sky Optics are fully multi-coated for optimum light transmission and image clarity Enjoy larger detailed views of planetary and deep-sky objects, as well as terrestrial subjects Threaded for use with 1.25" eyepiece filters