Orion 2" 90-degree Mirror Diagonal for Refractor Telescopes

The Orion 2" Refractor Mirror Diagonal has 90-degree mirror, meticulously polished to yield maximum performance. Housings are made of black-anodized aluminum. Barrels are internally blackened. Each 2" diagonal accepts both 2" and 1.25" eyepieces (with included adapter). The 2" eyepiece holder as two locking setscrews for maximum eyepiece security. This diagonal renders images that are right-side up and reversed left to right (therefore, not recommended for terrestrial observing). Diagonals are not recommended for use in reflector telescopes.