SVBONY SV135 Zoom Eyepiece, Zoom 7 to 21mm 1.25 Inch Telescope Eyepiece, 6 Element 4 Group Telescope Accessories for Astronomic Telescopes Visual - EUW9105A

• SV135 7 mm to 21mm adjustable focal length.SV135 7-21mm zoom eyepiece equivalent to multiple eyepieces .obtain higher magnification with short focal length.It could bring you a better observation experience in a comfortable situation with high-contrast imaging 18mm - 16.3mm comfortable eye relief. especially for eyeglass wearers .designed primarily for viewing landscapes and astronomical observations of lunar surfaces. planets. nebulae. clusters. and diffuse nebulae Fully multi-coated Premium eyepiece.The true fully multi-coated Premium eyepiece with superior edge and center sharpness than normal PLOSSL eyepieces. 6-Element 4-Group premium optical design for superior optical performance Standard 1.25" eyepiece.Equipped with a precision-made standard 1.25-inch lens barrel that is compatible with any telescope that accepts 1.25-inch eyepieces. Rubber eye guard for comfortable viewing and blocking stray light A cost-effective eyepiece.Full metal body. fine appearance. 40 degree - 57 degree wide angle field of view. high brightness observation is very comfortable .you will obtain more details that you have never seen before