Product details:

The Celestron X-Cel LX Series Eyepieces are premium eyepieces for passionate astronomers with demanding needs for their gear. With a wide 60 degree field of view superior to most eyepiece designs including Kellner, Huygens, Super, Plossl eyepieces, the Celestron X-Cel LX eyepieces are a great addition. Featuring a 6-element design with fully-multicoated lens system for improved light transmission for both landviewing and astronomy uses. Enthusiasts will also appreciate the improved black anodised metal case protecting the fine elements. The new and improved twist eyecup improve eye relief for glasses wearers or rotate to your desired setting for optimal comfort. Rubber treaded grip ensures for a more secure and comfortable hold with and without gloves. Available in 7 sizes: 2.3mm, 5mm, 7mm, 9mm, 12mm, 18mm, 25mm. Also available as a 2x or 3x barlow. About CelestronCelestron was founded by Tom Johnson whose first telescope design was a simple 6-inch reflector, built for his young son.Wide Field Of View Enhances Views Of The Night Sky Through A Single Lens
6-Element Fully Multi-Coated Optics Create Sharper Images
Extendable Twist-Up Eyepieces Are Easier And More Comfortable, Especially For Eyeglass Wearers
No Slip, Rubber Grip Ring For Secure Handling, Even In Moist Conditions
Parfocal Eyepiece Require Little To No Focusing When Changing From Low To High Power