【Easy to Use】Easily correct down and left-right reversed image, allow you view things during daytime in correct position.
【Standard 1.25'' diameter】Fit for 1.25'' eyepiece and telescope focuser.
【Designed for】Work with refractor and catadioptric telescopes,not for reflector telescope.
【Wide 45 degree angle】You can see correct image from refractor telescope stand and just look down with a comfortable angle.
【Body material】Mainly metal and PP optical glass lens, provide clear and sharp image.