DescriptionType : -Origin : Mainland ChinaBrand Name : svbony1.25 Diagonal Zenith Mirror Adapter Zenith 45 Degree Diagonal Mirror Prism for Astronomical Monocular Telescope EyepieceFeatures:1.Easily correct upside down and left-right reversed image: Allow you view things during daytime in correct position2.Standard 1.25 diameter: Fit for 1.25 eyepiece and telescope focuser3.Designed for : Work with Refractor and catadioptric telescopes,not for reflector telescope4.Wide 45 degree angle: You can view correct image from refractor telescope stand and just look down with a comfortable angle.5.Super easy to use: Just insert into 1.25 telescope at the silver end,the other end fix 1.25 eyepiece by the screw.6.Body material: Mainly Plastic,optical glass lens,provide clear and sharp image.7.With dust cover: Always keep your lens clear,prolong life.8.Weight: 83g/2.94ozEasily correct upside down and left-right reversed image: Allow you view things during daytime in correct positionStandard 1.25 diameterFit for 1.25 eyepiece and telescope focuserWide 45 degree angleYou can view correct image from refractor telescope stand and just look down with a comfortable angle.How to use it