Cheshire eyepiece collimating tool 1.25”

1.25″ Cheshire Collimating Eyepiece. Designed for accurate collimation of all Newtonian reflector telescopes. Ensuring the best optical alignment.
The Cheshire eyepiece can do both mirror alignment and complete secondary mirror adjustment for best centered position.
For 1.25 inch focuser.

1.Made of high-quality aluminum material. Anti-rust, wear-resistant, and durable. CNC precision manufacturing, oxidation black, steel cross wire. the crosshairs are clearer and easier to use.

2.The inner structure can reduce light reflection to improve the clearness of view.

3.Collimation eyepiece is more accurate than the normal collimation tool, can help you better enjoy star watching-fun. Suitable for Newtonian Telescopes.