Product description

Easily correct upside down and left-right reversed image:
This Diagonal correct upside down and left-right reversed image easily.
Allow you view things during daytime in correct position
Standard 1.25'' diameter: Fit for 1.25'' focuser and eyepiece;
Work with Refractor and catadioptric telescopes,not for Reflector telescope
 High quality optical glass come with dust cover: Keep your lens clean and image clear and sharp,prolong life.
Wide 45 degree angle: You can view correct image from refractor telescope stand and just look down with a comfortable angle
This Diagonal prism could turn your refracting telescope into a scope that can be used to observe objects on earth with correct angle image.

Package include:

1 X 45-Degree Erecting Image Zenith Mirror
2 X Dust cover