- For guaranteed precisely aligned reflector telescope optics, use this convenient Orion Telescope Collimating Eyepiece.
- Combines a 1.25” Cheshire eyepiece with a sight tube measuring 5” in length.
- Essential for aligning the internal optics of Newtonian reflectors, Dobsonians, and Schmidt-Cassegrain telescopes.
- Includes a top peephole and bottom crosshairs with foldable eyeguard for removing glare during use.
- Works with 1.25” telescope focusers as well as 2” focusers using a separately available 1.25” step-down adapter.