Features: 100% brand new and high quality 23mm 62 degree wide angle aspheric eyepiece can get maximum detail and definition across the entire field of view. For lenses with the same refractive index; the 62 degree aspheric eyepiece is thinner and lighter than the spherical eyepiece. Offer high magnifications;look more closely and more detailed at the moon's surface and other planet; for viewing the moon and planets. Optics glass eyepieces for excellent image contrast and light transmission;give maximum detail and definition across the entire field of view. Standard 1.25''/31.75mm fitting diameter, can be used in most astronomical telescopes with a 1.25" focuser. Package Includes: 1x Eyepiece Lens 1x Dust Cover Specifications: Material: Optical Glass+Acrylic+Aluminum Focal Length: 23mm Field of View: 62 Degrees Interface Specification: 1.25 inches/31.7mm Thread Specification: M28.6x0.6mm