SVBONY Telescope Eyepiece Fully Mutil Coated 1.25 inches Telescope Accessories Set 66 Degree Ultra Wide Angle HD 20mm for Astronomy Telescope

Edge blackened optics;internally blackened to eliminate light scattering;minimize internal reflection and maximize contrast Fully multi coated broadband green optics with superior optical performance;clarity is great and the magnification is truly represented 66 degree AFOV perfects for broad field lunar observations;medium sized star clusters;wide range of cloudy nebulas and deep sky targets with extra sharpness Generous 20mm eye relief allows comfortable viewing distance and lets eyeglass wearers see the entire field of view Multi group lens combination to improve optical performance;the eyepieces sets delivers sharp images with good color correction and contrast