svbony telescope eyepiece fully mutil coated 1.25 inches telescope accessories set 66 degree ultra wide angle hd 15mmfor astronomy telescope svbony <b>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>15mm:4-elements in 3 groups<br><b>specifications:</b><br>eyepiece series:upgraded ultra wide<br>focal length:15mm<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 15mm eyepiece<br>