***** **********Best Quality Guranteed. *****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