SVBONY SV136 Lens 9mm Wide Angle 72°Aspheric Eyepiece HD Fully Coated for 1.25" 31.7mm Astronomic Telescopes (Black)

Features 1 Using advanced computer design combinations of low dispersion and high refractive index optical glasses and durable multilayer deposition coatings 2 The 72 Series Argon Purged Waterproof extreme wide field eyepieces are optimized to produce high contrast high resolution and superior flat field characteristics 3 The 72 Series eyepieces come with a removable and foldable soft silicone rubber eyecup for the comfort of the observer4 Fully multi coated glasses for excellent image contrast and light transmission5 Sharp optimal performance with low chromatic aberration6 Applicable watch the scenery bright celestial observations nebula and so on Specification 1 Brand SVBONY2 Focal Length 9mm3 Barrel Size 1 25 31 7mm 4 Apparent Field of View Mfg Specified 72°5 Filter Threads Standard 1 25 Filter Thread M28 5 x 0 6 6 Coatings Fully Multi Coated7 Lens Elements 58 Black Lens Edges Yes9 Barrel Safety Recess Yes10 Rubber Eye Guard Yes11 Weight 85gPackage Included 1 X SVBONY 9mm Aspheric EyepieceDetails Pictures