SVBONY 1.25inch 68° Eyepiece 6/9/15/20mm Ultra Wide Angle FMC Lens

SVBONY 1.25inch 68° Eyepiece 6/9/15/20mm Ultra Wide Angle FMC Lens for Telescope             Brand Svbony  Svbony  Svbony  Svbony  Focal Length 6mm 9mm 15mm 20mm Barrel Size 1.25" (31.7mm) 1.25" (31.7mm)  1.25" (31.7mm)  1.25" (31.7mm)  Apparent Field of View 68 Degree  68 Degree  68 Degree  68 Degree   Coating Fully Multi-Coated  Fully Multi-Coated  Fully Multi-Coated Fully Multi-Coated Eye Relief 17mm 17mm 17mm 17mm Structure Design 5-elements in 3 groups  6-elements in 4 groups  4-elements in 3 groups 5-elements in 3 groups Lens material Optical Glass Lenses  Optical Glass Lenses  Optical Glass Lenses  Optical Glass Lenses  Body Material Fully Metal  Fully Metal  Fully Metal  Fully Metal  Filter Threads Standard 1.25" Filter Thread  Standard 1.25" Filter Thread  Standard 1.25" Filter Thread  Standard 1.25" Filter Thread  Rubber Eye Guard Yes  Yes  Yes  Yes  Net Weight 133g 141g  116g 126g        Features:   FMC 68-Degree Ultra Wide long eye Relief Eyepiece   Standard 1.25" Inch Astronomy Telescope 4 Piece Eyepiece Kit   Super Wide 68 Degree apparent field offers expansive views of the moon, star clusters, and the Milky Way   Multi-element design delivers sharp images with good color correction and contrast   Package Includes （6mm)   1.25" 68-Degree Ultra Wide 6mm Eyepiece   Package Includes （9mm)   1.25" 68-Degree Ultra Wide 9mm Eyepiece   Package Includes (15mm)   1.25" 68-Degree Ultra Wide 15mm Eyepiece   Package Includes (20mm)   1.25" 68-Degree Ultra Wide 20mm Eyepiece