SVBONY SV154 Eyepiece Telescope 1.25" 70 Degree 15mm Ultra Wide Angle Twist-Up Eyecup Eyepiece for Astronomical Telescopes

Five-element, four-set lens structure. Made with high-refractive index glass for a sharp finish. High-contrast views. The optical technology of the SV154 telescope eyepiece delivers cleaner, brighter images. Ultra-wide field of view. The ultra-wide 70-degree apparent field of view gives you an unforgettable sense of space. Specially designed eye relief. 13mm eye relief provides comfort and convenience. No eye strain when using the SV154 telescope eyepiece. Humanized design. A smooth black barrel with safety undercuts reduces the chance of the eyepiece slipping off the focuser or zenith mirror. Blackened lens rim. Anti-reflective thread maximizes contrast. High-density internal matte metric fine thread reduces chromatic aberration.