SVBONY Telescope Eyepiece Fully Mutil Coated 1.25" 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 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 It comes with sturdy plastic case 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 Main points: Fully multi coated 66 degree ultra wide long eye relief eyepiece Standard 1.25" astronomy telescope 4 piece eyepiece kits Wide 66 deg apparent field makes it very easy to get on target when switching eyepieces Multi element design delivers sharp images with good color correction and contrast Aluminum 1.25" eyepiece barrel is internally blackened to eliminate light scattering The collapsible rubber eye guard to block out light and to accommodate persons with glasses Edge-blackened optics and advanced multi coated optics The 16mm eye relief;awesome long and very comfortable Threaded to accept 1.25" filters Design: 9mm:6-elements in 4 groups Specifications: Eyepiece series:upgraded ultra wide Focal length9mm Barrel size: 1.25"/31.7mm Apparent field of view:66 degree Lens material:optical glass lenses Filter threads:standard 1.25" filter thread Coating:fully multi coated broadband green Rubber eye guard:yes Net weight:360g/12.7oz Package Includes: 1x 9mm eyepiece Lifetime warranty;we confidently promise lifetime warranty for each one form us