SVBONY SVBONY Telescope Eyepiece Fully Mutil Coated 1.25 inches Telescope Accessories Set 66 Degree Ultra Wide Angle HD 9mm for Astronomy Telescope

The SVBONY 1.25" 66 degree ultra wide angle HD telescope accessory sets gives the wide viewing field along with extra sharpness and long eye relief</b><br><br>The approx 66 degree AFOV is Perfect for broad field lunar observations;medium sized star clusters;and a wide range of cloudy nebulas and deep sky targets<br><br>It comes with sturdy lens cover protecting the eyepiece from dust and moisture;soft rubber eye guard that's custom fitted with a bayonet mount;threaded for standard 1.25" astronomy filters and Barlow lens<br><br><b>Main points:</b><br>Fully multi coated 66 degree ultra wide long eye relief eyepiece<br><br>Standard 1.25" astronomy telescope 4 piece eyepiece kits<br><br>Wide 66 deg apparent field makes it very easy to get on target when switching eyepieces<br><br>Multi element design delivers sharp images with good color correction and contrast<br><br>Aluminum 1.25" eyepiece barrel is internally blackened to eliminate light scattering<br><br>The collapsible rubber eye guard to block out light and to accommodate persons with glasses<br><br>Edge-blackened optics and advanced multi coated optics<br><br>The 16mm eye relief;awesome long and very comfortable<br><br>Threaded to accept 1.25" filters<br><br><b>Design:</b><br>9mm:6-elements in 4 groups<br><b>Specifications:</b><br>Eyepiece series:upgraded ultra wide<br>Focal length9mm<br>Barrel size: 1.25"/31.7mm<br>Apparent field of view:66 degree<br>Lens material:optical glass lenses<br>Filter threads:standard 1.25" filter thread<br>Coating:fully multi coated broadband green<br>Rubber eye guard:yes<br>Net weight:360g/12.7oz<br><br><b>Package Includes:</b><br>1x 9mm eyepiece

• Wide observation field; 66 degree field of view eyepiece; enjoy a wide range of night sky at a glance; such as medium-sized star clusters; various cloud-like nebulae and other deep sky targets; also suitable for large-scale lunar observations
• 9mm telescope eyepiece; 9mm provides high magnification; enjoy the lunar craters and lunar seas up close; analyze more planetary details such as Saturn's rings; also used to resolve double stars; showing their separation and colors
• 6 elements in 4 groups: multiple lens groups improve optical performance; plus the lenses are fully multi-coated; this SVBONY eyepiece provides clear images with good color correction and contrast
• Design to reduce stray light; the edge of the telescope eyepiece lens is blackened; the internal blackening treatment is mastered to reduce the scattering of stray light; make the image brighter
• 1.25" eyepiece barrel; fits 1.25" telescopes and telescope accessories; such as barlow and mirror diagonal; filter thread inside the eyepiece barrel; can fit 1.25-inch filters