Solomark Chesire Collimating Eyepiece Metal Body with Crosshair 1.25 Inch Fitting Short

• Special eyepiece fits into 11/4" focusers or diagonals.
• For aligning optics of Newtonian reflectors, Dobsonian reflectors, and Schmidt-Cassegrain Telescopes (SCTs)
• Collimation eyepiece is more accurate than the simple Collimation Tool
• When collimating a refractor you should put the Cheshire directly into the focuser.
• With Dustproof and MoistProof Rubber Cover-Expert Design-CNC Machine Made- Precise Surface Dealing

• Item Reference: B00OXKI3N4 0703501407957 703501407957