Celestron 18 mm X-Cel LX Eyepiece - 1.25" - 93425 4" Telescopes each ring is marked with

each ring is marked with ID of length

NFC Connection allows you to start observing with a touch

Tube Vents - Cooling vents located on the rear cell allow hot air to be released from behind the primary mirror

Many original adapter plates of electronic focusers are too long

SmartEye empowers enthusiasts to capture and share the beauty of the cosmos

Celestron 18 mm X-Cel LX Eyepiece - 1.25" - 93425 4" Telescopes each ring is marked withCelestron 18 mm X Cel LX Eyepiece The Celestron 18 mm X Cel LX series eyepieces offers a 60 apparent field of view, perfect for the Moon, the planets, and a plethora of deep sky objects. The premium six element ocular is finished with multiple layers of high transmission coatings for clear, sharp images. The edges of the optics are blackened for increased contrast. All seven X Cel LX eyepieces, including the 18mm, sports 16mm of comfortable eye