Feature 1OPEN AND PRACTICAL: This is a high medium magnification eyepiece with a wide field of view, superior performance and excellent optical performance 2UNIVERSAL SIZE: Standard 1.25in/31.7mm eyepiece, a universal accessory for astronomical telescopes 3CLEAR COATING: Eyepiece use FMC full multilayer wideband coating, excellent optical glass, providing maximum brightness, high clarity 4SUITABLE THREAD: All metal body eyepiece, bottom extinction thread can be turned 1.25 in filter, can be used with standard 1.25in interface telescope or filter 5APPLICATION SCENARIO: Eyepiece is used for astronomical observation of moon surface, planets, nebulae, star clusters, diffuse nebulae, with high brightness and large field of view, and very comfortable to observeItem Type: Telescope EyepieceMaterial: Aluminum alloy and optical glassInterface Size: Approx. 31.7mm / 1.25in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Telescope Eyepiece1 x Storage Box