The image is brighter, bringing a visual experience to the exterior and interior! SV223 Diagonal brings real observation experience! That’s exactly what this accessory offers you. Let the image quality provided by the telescope really enter your eyes. Diagonals offer 99% reflectivity and are finished in an attractive carbon fiber exterior, visually pleasing both the exterior and interior. Wide range of applications; the SV223 diagonal is used in conjunction with astronomical telescopes and can be used for astronomical scene observations such as planets and deep space. Image is clear and bright; the SV223 diagonal is equipped with a thick precision optical flat mirror with an enhanced 99% reflective dielectric coating; which has a large amount of light transmission and a good imaging effect. 90 degrees design; the diagonal of SV223 adopts a 90 degrees design; which can provide you with a better observation experience during visual observation. Stable installation; the SV223 diagonal has a clicklock locking mechanism; which can realize ultra-fast clamping action and ensure the stable installation and use of the eyepiece; which is not easy to fall off. Brass compression ring design; SV223 has a brass compression ring on the diagonal; which provides a uniform pressure area when holding the eyepiece; can firmly fix the eyepiece, and is not easy to damage the eyepiece and other telescope accessories. Carbon fiber material; the SV223 diagonal is made of carbon fiber material; which is light and stable; ensuring that the zenith mirror is durable and can reduce the weight of the equipment without affecting the balance of the equipment. 1.25″ diameter; SV223 diagonal can be combined with 1.25″ eyepieces and barlow lens; suitable for any 1.25 telescope accessories. Folding Down Rubber Eyecup. Folding down rubber eyecup provides comfortable viewing for people with or without glasses; bayonet mount can also block stray light to increase the brightness of imagine. Comes with two sturdy dust cover protect the eyepiece from dust and moisture; convenient to carry and storage. Machined aluminum and stainless steel solid construction, durable and premium feel. Constructed to the highest quality standards, these eyepiece is packed with high-quality optics(FMC), including internally blackened barrel that minimize distortion and control optical reflection to create crisp and colorful images. Meanwhile, SVBONY 68 degree ultra wide telescope eyepiece provide you a extremely large field of vision. Plastic and rubber cap. Comes with sturdy plastic and rubber cap protect the eyepiece from dust and moisture which together with fully metal is durable. Soft rubber eye guard. Fold down soft rubber eye guard is more comfortable for eyeglass wearers. FMC 68-Degree Ultra Wide long eye Relief Eyepiece. Standard 1.25 Inch Astronomy Telescope 4 Piece Eyepiece Kit. Super Wide 68 Degree apparent field offers expansive views of the moon, star clusters, and the Milky Way. Multi-element design delivers sharp images with good color correction and contrast. 1.25 68-Degree Ultra Wide 9mm Eyepiece. 1.25 (31.7mm). Apparent Field of View. 5-elements in 3 groups. 6-elements in 4 groups. 4-elements in 3 groups. Standard 1.25 Filter Thread.