Celestron 93432 Luminos 15mm Eyepiece (Silver/Black) Enjoy wide 82 views with Celestron Luminos Eyepieces Retractable eyecup pops up when you need it, drops down when you dont Sturdy anodized aluminum barrels are threaded for filters A rubber grip keeps the eyepiece securely in your hands, even when its cold or you have gloves on