Sky-Watcher 90 Deg Erecting Prism
Used to correct the up side down images with eyepiece barrel formate of 1.25"/31.7mm and designed to provide comfort in watching.
specifications
Eyepiece Barrel 90 degree
Eyepiece format 1.25 (31.7 mm)
Coatings 1.25 (31.7 mm)
Reflectivity (%) 0