Sirius 45 Degree Prism Diagonal

Sirius's erect-image diagonal features an Amici prism design that allows you to look into the telescope at a comfortable, 45-degree angle at images that are oriented properly - right-side-up and non-mirror-imaged. Sirius Erect Diagonal Prism - 45 Degree 1.25" - Features - Easily add versatility to your astronomical telescope - Great to convert your telescope for terrestrial viewing - Suitable for refractor or catadioptric reflector telescopes - See land images upright and non-mirrored - 45-degree angle design for comfortable viewing - Attaches to any 1.25" eyepiece