SVBONY Diagonal Adapter Zenith Diagonal Mirror Prism 1.25inch 45 Degree Erecting Prism Optical Prism Inside for Astronomical Telescope Eyepiece
- High-quality prism diagonal provides a comfortable and sharp 45 degree viewing orientation for great daytime terrestrial views and night time astronomy applications for telescopes.
- the large quality prism allows more light transmission.
- Standard 1.25 " diameter for filter thread for any 1.25" filter.
- fits for the standard 1.25" telescope eyepiece.
- Semi-metallic zenith mirror has dust cover keeping the lens clean,so that provides clear and sharp images and extends the service life.
- Easily correct upside down and left-right reversed image.
- It produces an image that is oriented properly.
- which means the image is upright and correct from left to right.
- allow you view things during daytime in correct position.