This product correct upside down and left-right reversed image for refractor telescope; It produces an image which is upright and correct from left to right; Allow you to easily view during the daytime or night time
2 inches nosepiece fits 2 inches telescopes; accepts standard 2 Inch filters; eyepieces; Barlow lenses and other accessories,a 2 inch to 1.25 inch adapter incuding,you can also use 1.25 accessories
Diagonal provides a comfortable 45-degree viewing orientation when observing the night sky through a refractor telescope
High transmittance reflective prism, multi-layer antireflective broadband green film